Suchergebnisse

Laboratory procurement and system supply for industry and research. Independent sourcing, project coordination and full-range laboratory equipment supply by Gebr. Rettberg. Procurement & Full-Range Supply System procurement, project coordination and full-range supply from a single source. Efficient purchasing structures, project sourcing and access to our extended product portfolio. System Procurement for Industry & Laboratories Full product range Project-based sourcing Framework agreements Manufacturer-independent procurement Centralized support Full-Range Shop Our Full-Range Shop expands the LabStore portfolio with thousands of additional products for industry, laboratories and technical operations. Cross-manufacturer product selection Consolidation of your supplier structure Structured purchasing processes Centralized support through Gebr. Rettberg GmbH Full Product Range | Lab Catalog Complete product range with individualized pricing! Project Procurement & Framework Agreements For new constructions, expansions or recurring requirements, we manage the complete material coordination – from initial analysis to long-term structuring. Project-based quotations Framework agreements Price fixation agreements Demand analysis Personal account management How We Work Needs assessment Analysis & structuring Proposal preparation Contract model definition Ongoing support Request Project

Professional service for laboratory equipment and pipettes – maintenance, repair and calibration. Reliable laboratory service by Gebr. Rettberg. Service – Precision. Quality. Reliability. Fully demineralized water, calibrated pipettes, and professionally repaired equipment ensure your process quality. We offer a complete service from collection to return delivery—transparent and tailored to your requirements. Available exclusively in Germany! Our service Pipette service We handle the calibration, maintenance, and functional testing of pipettes and dispensers. This ensures precise measurement results and reliable performance in the laboratory. Repair of laboratory glassware We professionally repair and refurbish laboratory glassware and equipment. Through expert repair, we maintain functionality and extend the lifespan of your devices. Stainless steel frame construction We manufacture custom-made stainless steel tanks and laboratory furniture according to your technical specifications. Our solutions combine robust construction with the highest precision for laboratory and production applications. Regeneration of ion exchangers We regenerate ion exchangers and mixed bed systems professionally and efficiently. This extends the service life of your products and ensures cost-effective laboratory operations. Request a quote Please briefly describe your request, and we will get back to you immediately with an offer. Gebr. Rettberg GmbH | Göttingen Rudolf-Wissell-Str. 17 37079 Göttingen +49 (0)551 / 50 50 3-12 info@rettberg.biz Services & Costs Pipetten-Service Regenerations-Service Service Request Service Select service Company First name Last name Address Email Inquiry I have read and acknowledged the privacy policy. Send Thank you for your message! Downloads & Datenblätter Water Monitor LWW 20 – Operating Instructions Download Installation, commissioning and functional description for monitoring cooling water flow. Pressure / Check Valve – Commissioning Download Instructions regarding transport lock, barrier liquid filling and correct adjustment. High Vacuum Valves with Glass Spindle – Technical Notice Download Information on sealing position and proper handling of the PTFE sealing system. High Vacuum PTFE Grease TF 100 HV – Data Sheet Download Product properties, application areas and safety-related information. Ion Exchanger – Regeneration Service Download Service overview, regeneration process and handling conditions. Pipette Service – Service & Calibration Order Form Download Order form for maintenance, repair and ISO 17025 calibration including service and data options. PTFE Valves – Adjustment Instructions Download Guide for readjusting the packing gland using the integrated Allen screw. Silica Gel Orange – Product Data Sheet Download Technical properties, adsorption values and colour indicator characteristics. Laboratory Glass Coating – Technical Information Download Properties, temperature resistance and chemical durability of the protective coating. Pipette Service & Calibration Download Repair, maintenance and calibration services including optional DAkkS certification. Repair Form – Health and Safety Clearance Download Form for requesting repairs including a health and safety declaration. Required for safe handling and acceptance of returned equipment.

Hersteller von Laborglasgeräten und B2B-Vollversorger für Laborbedarf, Laborgeräte, Sicherheit und Sonderanfertigungen für Forschung und Industrie. Rettberg – Precision Laboratory Glassware. Reliable Laboratory Technology. Manufacturer of laboratory glassware and partner for dependable laboratory equipment in research, industry, and technical applications. About Us Gebr. Rettberg GmbH is an owner-managed company with many years of experience in the laboratory sector. We stand for quality, reliability, and practical solutions. As a manufacturer of high-quality laboratory storage equipment and a trusted partner for laboratory technology, we support customers from research, industry, and technical fields with tailored products and personal consultation. Our focus is on sustainably optimizing laboratory workflows and delivering real added value – from planning to implementation. Our Goal: To make laboratory processes more efficient, safer, and more cost-effective. Learn more Our core competencies Manufacture of laboratory glassware Laboratory Technology We manufacture laboratory glassware for professional use – from standard products to custom-designed special applications. Our glassware impresses with precise workmanship, exceptional quality, and long service life. We offer high-quality laboratory technology for research, industry, and technical applications. Our range includes proven equipment from well-known manufacturers as well as reliable solutions for everyday professional laboratory work. LabStore Fast and convenient online ordering · selected products! Laboratory Supplies Custom-made products in glass apparatus construction We offer a comprehensive range of laboratory consumables, safety equipment, and protective gear for professional use. Our solutions ensure safe, standards-compliant, and efficient work in laboratories and industry. We produce tailor-made laboratory glassware and apparatus exactly according to your technical specifications – from planning and precise manufacturing to on-time delivery. Full Product Range | Lab Catalog Complete product range with individualized pricing! Our service We handle the calibration, maintenance, and functional testing of pipettes and dispensers. This ensures precise measurement results and reliable performance in the laboratory. Pipette service Discover more We professionally repair and refurbish laboratory glassware and equipment. Through expert repair, we maintain functionality and extend the lifespan of your devices. Repair of laboratory glassware Discover more We manufacture custom-made stainless steel tanks and laboratory furniture according to your technical specifications. Our solutions combine robust construction with the highest precision for laboratory and production applications. Stainless steel frame construction Discover more We regenerate ion exchangers and mixed bed systems professionally and efficiently. This extends the service life of your products and ensures cost-effective laboratory operations. Regeneration of ion exchangers Discover more Contact Gebr. Rettberg GmbH | Göttingen Rudolf-Wissell-Str. 17 37079 Göttingen +49 (0)551 / 50 50 3-12 info@rettberg.biz Topic Select topic Company First name Last name Address Email Message Thank you for your message! Send Thank you for your message! Careers at Rettberg An innovative work environment, technical challenges, and long-term prospects – at Rettberg, we combine tradition with the future. Strengthen our team as an expert in laboratory and industrial technology. Job Openings

Laboratory glassware and laboratory equipment from Gebr. Rettberg. Distillation technology, ground-glass joints, volumetric glassware and more – over 150,000 products for laboratories and research. Laboratory Glassware & Lab Supplies High-quality laboratory equipment – expertise built over generations Gebr. Rettberg GmbH is your reliable partner for laboratory glassware, lab supplies, and laboratory equipment. With decades of experience, we supply companies, research institutions, and universities with high-quality products . LabStore – Directly Available. Ready to Order. Standard products for laboratories, industry and technical operations – fast, reliable and available online. LabStore Fast and convenient online ordering · selected products! OUR LABORATORY GLASSWARE Distillation and extraction technology Distillation apparatus – Complete systems for laboratory and research applications Components for distillation apparatus – cooling coils, distillation bridges, feed adapters and intermediate pieces Extraction apparatus – Soxhlet apparatus and Kutscher-Steudel extractors Adapters and transition joints – standard ground glass adapters between different ground glass sizes Reaction vessels and accessories – reaction flasks with standard ground joint and magnetic stir bars Glass vessels and standard ground glass joints Standard ground components – cores, sleeves and accessories – Flexible assembly options according to DIN standards Glass filter devices – glass filter funnels and filter crucibles in porosities P1 to P5 Flasks with standard ground joint and thread – round-bottom flasks, flat-bottom flasks, three-neck flasks (NS 14/23 to NS 45/40) Schlenk lines and Schlenk technology – For gentle concentration and sample preparation Sublimation apparatus – Thermal separation of temperature-sensitive substances Dosing and filling funnels – dropping funnels, separating funnels, powder funnels Cold traps and Woulff bottles – For vacuum applications and as safety bottles Gas washing bottles – Drechsel bottles and absorption bottles Gas distribution systems – Controlled gas supply with check valves Desiccator systems – drying and storage of moisture-sensitive substances Chromatography – Columns , fraction collectors and separation columns Eudiometer units – precision measuring instruments for gas volume determination Weighing bottles, impinger bottles and hybridization bottles – special glassware for scientific applications Centrifuge tubes – pointed tubes and centrifuge tubes according to DIN Accessories for rotary evaporators – evaporating flasks, receiving flasks, cooling coils Full-Range Shop – Extended Portfolio. Centralized Access. Our Full-Range Shop expands the LabStore assortment with thousands of additional products for industry, laboratories and technical operations. Manufacturer-independent sourcing, consolidated supplier structures and efficient purchasing processes – all managed centrally by Rettberg. Full Product Range | Lab Catalog Complete product range with individualized pricing! LABORATORY SUPPLIES & LABORATORY EQUIPMENT Basic equipment Containers – storage containers, wide-mouth bottles, dropper bottles made of glass and plastic General laboratory supplies – beakers, graduated cylinders, Erlenmeyer flasks, test tubes Laboratory glassware – precision instruments for volumetry, titration and analysis Safety and technology Volumetrics – Pipettes, burettes, volumetric pipettes, volumetric flasks – highest precision instruments Pump technology – vacuum pumps, diaphragm pumps, peristaltic pumps Sample preparation – mortar, pestle, sieves, homogenizers Temperature control equipment – heating plates, heating baths, thermostats, drying cabinets Stirring and shaking technology – magnetic stirrers, overhead shakers, orbital shakers Separation technology – centrifuges, filters, filtration equipment Biotechnology – fermenters, bioreactors, incubators Measurement technology – pH meters, conductivity meters, thermometers Optical examination – microscopes, spectrometers, refractometers Laboratory equipment – laboratory trolleys, racks, drying stands ✓ Comprehensive product range Over 150,000 products for laboratory and research

Explore our services and get in touch Our Services 01. Pipettenservice Wir übernehmen Kalibrierung, Wartung und Funktionsprüfung von Pipetten und Dispensern. So stellen wir präzise Messergebnisse und einen zuverlässigen Einsatz im Labor sicher. Show more 02. Regeneration Wir regenerieren Ionenaustauscher und entsprechende Systeme fachgerecht und effizient. Das verlängert die Standzeit Ihrer Produkte und unterstützt einen wirtschaftlichen Laborbetrieb. Show more 03. Reparatur Wir reparieren und überarbeiten Laborglasgeräte und Laborzubehör professionell. Durch Instandsetzung erhalten wir Funktionalität und verlängern die Lebensdauer Ihrer Geräte. Show more 04. Edelstahl-Gestellbau Wir fertigen maßgeschneiderte Edelstahl-Gestelle nach Ihren technischen Vorgaben. Unsere Lösungen verbinden stabile Konstruktion mit höchster Präzision für Labor und Produktion. Show more

Contact Rettberg for questions about laboratory glassware, laboratory equipment and services. Our team will be happy to assist you by phone or email. connect now Contact Do you have questions about our products, need individual advice, or a specific quote? Our team is here to help with expertise and many years of experience. Contact us – we look forward to hearing from you. Contact Gebr. Rettberg GmbH | Göttingen Rudolf-Wissell-Str. 17 37079 Göttingen +49 (0)551 / 50 50 3-12 info@rettberg.biz Contact Form Topic Select topic Company First name Last name Address Email Message I have read and acknowledged the privacy policy Senden Thank you for your message! Contact person Our experienced team is here to answer your questions about products, orders, and technical solutions. Contact us directly – we're happy to help. Jan Rettberg Managing Director T : +49 551/505030 jr@rettberg.biz Claudia Möbs Sales & Service T : +49 551/50503-16 cm@rettberg.biz Lea Scheufler Apprentice / Trainee T : +49 551/50503-0 ls@rettberg.biz Carsten Lichtblau Sales Management & Field Service M : +49 151/59076534 cl@rettberg.biz Matthias Görres Procurement & Service T : +49 551/50503-15 mg@rettberg.biz Sabrina Körner Purchasing & Administration T : +49 551/50503-0 sk@rettberg.biz Stefan Stankiewicz Sales & Export T : +49 551/50503-12 ss@rettberg.biz Susanne Rettberg Accounting & Finance T : +49 551/50503-22 buchhaltung@rettberg.biz Susanne Rösler Dealer Support T : +49 551/50503-13 sro@rettberg.biz

Discover the trade fairs and industry events where Rettberg is represented. Find upcoming exhibition dates, conferences and opportunities to meet our laboratory glass experts. Trade Shows & Events Personal contact is important to us. At the most important industry trade shows, we present our product portfolio, provide individual consultation, and show you the latest developments in laboratory glass and specialty glass technology. Feel free to arrange an appointment with us in advance. Trade Shows 2026 🔬 LAB SUPPLY Germany's leading trade fair for laboratory technology 📍 Hannover 📅 Wednesday, May 20, 2026 📍 Berlin 📅 Tuesday, June 16, 2026 📍 Dresden 📅 Tuesday, September 8, 2026

Laboratory glassware for wine analysis in wineries and wine laboratories. Precision glassware for alcohol determination, acidity analysis and SO₂ testing – quality by Gebr. Rettberg. Procurement & Full-Range Supply System procurement, project coordination and full-range supply from a single source. Efficient purchasing structures, project sourcing and access to our extended product portfolio. Laboratory Glassware for Wineries Precision glassware for wine analysis and quality control in viticulture. Our laboratory glassware supports wineries and wine laboratories in the analysis of must and wine – from alcohol determination and acidity analysis to the control of sulfur dioxide levels. Typical Analyses in Wine Laboratories Laboratory glassware supports precise analyses of must and wine in wineries and wine laboratories. Alcohol Determination To determine the alcohol content, distillation methods and precise measuring instruments are used. Laboratory glassware such as distillation apparatus, volumetric flasks, and condensers enable reliable analyses in wine laboratories. Acidity Analysis The determination of total acidity and volatile acidity is one of the most important analyses in viticulture. Burettes, pipettes, and Erlenmeyer flasks are regularly used in titration processes. Sulfur Dioxide Analysis Monitoring the sulfur dioxide content (SO₂) is essential for the stability and quality of wine. Precise glassware ensures safe and reproducible laboratory analyses. Typical Laboratory Glassware for Wineries Distillation apparatus Volumetric flasks Graduated cylinders Burettes Pipettes Erlenmeyer flasks Test tubes Condensers and distillation accessories Your Partner for Laboratory Glassware in Wine Laboratories As a manufacturer and specialist supplier of laboratory glassware, Gebr. Rettberg GmbH supports wineries and wine laboratories in selecting suitable glassware for analytical applications. Thanks to many years of experience in the laboratory sector, we offer reliable products, short delivery times, and expert advice. Contact us

Explore career opportunities at Rettberg. Join a specialized company for laboratory glassware and laboratory equipment with a collaborative working environment. Careers at Rettberg Tradition meets innovation – work with us on precise solutions for laboratories and industry. For decades, Gebr. Rettberg GmbH has stood for quality, reliability, and technical expertise in the field of laboratory and specialty glass. As a medium-sized family business, we combine technical know-how with an appreciative corporate culture. What sets us apart Short paths, clear communication Flat hierarchies and quick decisions ensure efficient work. Family-oriented culture People matter to us – we work in partnership and at eye level. Security and perspective Long-term collaboration, fair compensation, and individual development. Flexibility Modern working time models and home office options where appropriate. Job Posting: Scientific Glassblower (f/m/d) Your Responsibilities Manufacturing and processing of glass apparatus according to technical drawings or customer requirements Repair and modification of laboratory glass equipment Working with borosilicate and quartz glass Ensuring high quality and precision in production Collaborating with our sales team and customers on custom projects Your Profile Completed training as a scientific glassblower or comparable qualification Experience working with technical glass Precise, careful, and independent working style Strong manual skills and technical understanding Team-oriented and reliable What We Offer A secure position in a growing company Varied and challenging tasks Modern working environment and high-quality equipment Flat hierarchies and quick decision-making Opportunities for professional growth Application We look forward to receiving your application via email: info@rettberg.biz

Rechtliche Informationen und Anbieterkennzeichnung der Gebr. Rettberg GmbH – transparent und gesetzeskonform. Imprint Full company name: Gebr. Rettberg GmbH Legal form: GmbH Address: Rudolf-Wissell-Straße 17, 37079 Göttingen, Germany Telephone: +49 (0)551 / 50 50 30 Email: info@rettberg.biz Responsible chamber: Chamber of Skilled Crafts for Hildesheim and South Lower Saxony VAT ID: DE177343680 Tax ID: 20/220/00972 Place of registration: Göttingen District Court Register court: HRB 1475 Managing Director: Mr. Jan Rettberg

Informationen zur Barrierefreiheit dieser Website: Hier erfahren Sie, inwieweit die Inhalte von Rettberg barrierefrei zugänglich sind, welche Maßnahmen umgesetzt wurden und wie Sie Barrieren melden können. Accessibility statement This accessibility statement was last updated on 18.01.2026. Gebr. Rettberg GmbH strives to improve its website. https://www.rettberg.biz | https://www.rettberglab.com to make it accessible to all users, including people with disabilities. What does web accessibility mean? An accessible website enables people with disabilities to use content with the same or a similar level of comfort and functionality as other users. This is achieved through the technical capabilities of the system used and through assistive technologies. Accessibility measures on this website This website was created in accordance with the guidelines of Web Content Accessibility Guidelines (WCAG) 2.1 – Compliance Level AA designed. The following points, among others, were implemented as part of the accessibility measures: Using the Wix Accessibility Wizard to identify and resolve potential barriers Setting the correct page language Clear and consistent heading structures Logical order of the contents Alternative text for images Color contrasts according to the requirements for good readability Reduction of animated effects Ensuring the accessibility of videos, audio content and documents Restrictions due to third-party content As a B2B company, we value barrier-free communication. Should you require support or have any questions regarding the accessibility of our content, please contact us. Accessibility in our premises Our business premises are primarily geared towards B2B operations and are not designed as publicly accessible customer areas. On-site visits are usually by prior appointment. Should you require assistance regarding accessibility during your visit, please contact us in advance so that we can explore individual solutions and, where possible, make appropriate arrangements. Access to our premises and possible support measures will be coordinated on a case-by-case basis. Contact us if you have questions about accessibility If you encounter any barriers on our website or require assistance, please feel free to contact us: Gebr. Rettberg GmbH Email: info@rettberg.biz Telephone: +49 (0) 551 50 50 3-0 We will endeavor to review your request promptly and find a solution.

Informationen zum Datenschutz, zur Verarbeitung personenbezogener Daten und zu Ihren Rechten bei der Gebr. Rettberg GmbH. Privacy Policy Protecting your personal data is important to us. The following information provides an overview of what happens to your personal data when you visit our website. Data processing on this website is carried out by the website operator. The responsible party within the meaning of data protection laws is Gebr. Rettberg GmbH, [insert address], telephone [phone number], email info@rettberg.biz . The responsible party is the natural or legal person who, alone or jointly with others, decides on the purposes and means of processing personal data. This website is operated using the website builder Wix.com Ltd., 40 Namal Tel Aviv St., Tel Aviv 6350671, Israel. Wix stores data on servers in the European Union, the USA, and Israel. The European Union has issued an adequacy decision for Israel. Further information on data protection at Wix can be found at https://de.wix.com/about/privacy . The processing of personal data is based on the General Data Protection Regulation (GDPR), in particular on the basis of Article 6(1)(a) GDPR (consent), Article 6(1)(b) GDPR (contract or pre-contractual measures), and Article 6(1)(f) GDPR (legitimate interest). Personal data is stored only as long as is necessary to fulfill the respective purpose or as required by statutory retention periods. When you visit this website, Wix automatically collects data in so-called server log files. This includes, among other things, the browser type and version used, the operating system, the referrer URL, the IP address, and the date and time of the server request. This data is used for the technical provision of the website and for system security and is not combined with other data sources. When you submit inquiries to us via our contact or quote request form, your information, including the contact details you provide, will be stored to process your request and for any follow-up questions. Specifically, we process your first name, last name, email address, subject, and message. This processing is based on Article 6(1)(b) GDPR. If a newsletter is offered on the website and you subscribe to it, your email address will be used exclusively for sending the relevant information. You can withdraw your consent at any time. This processing is based on Article 6(1)(a) of the GDPR. If you do not subscribe to the newsletter, this section can be omitted. Our website uses cookies. Cookies are small text files that are stored on your device. We use technically necessary cookies, which are essential for the website to function. Optional cookies, such as those used for analytics, are only set with your explicit consent. You can manage cookies via the Wix cookie banner. The legal basis for this is Article 6(1)(a) GDPR in conjunction with Section 25 TTDSG. If analytics or tracking tools are used, this only occurs after prior consent has been obtained via the cookie banner. Currently, no further tracking tools are used without consent. You have the right to request information about your stored personal data, to correct inaccurate data, to have your data deleted, to restrict processing, to data portability, and to object to processing at any time. You also have the right to lodge a complaint with the competent data protection supervisory authority. Many data processing operations are only possible with your explicit consent. You can revoke this consent at any time informally by email. The legality of the data processing carried out until the revocation remains unaffected. We implement appropriate technical and organizational security measures to protect your data against loss, destruction, manipulation and unauthorized access. This privacy policy is currently valid and was last updated on January 20, 2026. Changes due to legal or technical adjustments are reserved.