Laboratory Glassware & Supplies
High-quality laboratory equipment – generations of expertise
Gebr. Rettberg GmbH is your your reliable partner for laboratory glassware, supplies, and equipment. With decades of experience, we supply companies, research institutions, and universities with high-quality products.
OUR LABORATORY GLASSWARE
Distillation and extraction technology
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Distillation apparatus – Complete systems for laboratory and research applications
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Components for distillation apparatus – cooling coils, distillation bridges, feed adapters and intermediate pieces
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Extraction apparatus – Soxhlet apparatus and Kutscher-Steudel extractors
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Adapters and transition joints– standard ground glass adapters between different ground glass sizes
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Reaction vessels and accessories – reaction flasks with standard ground joint and magnetic stir bars
Glass vessels and standard ground glass joints
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Standard ground components – cores, sleeves and accessories – Flexible assembly options according to DIN standards
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Glass filter devices – glass filter funnels and filter crucibles in porosities P1 to P5
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Flasks with standard ground joint and thread – round-bottom flasks, flat-bottom flasks, three-neck flasks (NS 14/23 to NS 45/40)
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Schlenk lines and Schlenk technology – For gentle concentration and sample preparation
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Sublimation apparatus – Thermal separation of temperature-sensitive substances
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Dosing and filling funnels – dropping funnels, separating funnels, powder funnels
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Cold traps and Woulfe bottles – For vacuum applications and as safety bottles
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Gas washing bottles – Drechsel bottles and absorption bottles
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Gas distribution systems – Controlled gas supply with check valves
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Desiccator systems – drying and storage of moisture-sensitive substances
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Chromatography – Columns , fraction collectors and separation columns
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Eudiometer units – precision measuring instruments for gas volume determination
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Weighing bottles, impinger bottles and hybridization bottles – special glassware for scientific applications
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Centrifuge tubes – pointed tubes and centrifuge tubes according to DIN
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Accessories for rotary evaporators – evaporating flasks, receiving flasks, cooling coils
LABORATORY SUPPLIES & LABORATORY EQUIPMENT
Basic equipment
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Containers – storage containers, wide-mouth bottles, dropper bottles made of glass and plastic
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General laboratory supplies – beakers, graduated cylinders, Erlenmeyer flasks, test tubes
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Laboratory glassware – precision instruments for volumetry, titration and analysis
Safety and technology
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Volumetrics – Pipettes, burettes, volumetric pipettes, volumetric flasks – highest precision instruments
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Pump technology – vacuum pumps, diaphragm pumps, peristaltic pumps
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Sample preparation – mortar, pestle, sieves, homogenizers
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Temperature control equipment – heating plates, heating baths, thermostats, drying cabinets
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Stirring and shaking technology – magnetic stirrers, overhead shakers, orbital shakers
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Separation technology – centrifuges, filters, filtration equipment
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Biotechnology – fermenters, bioreactors, incubators
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Measurement technology – pH meters, conductivity meters, thermometers
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Optical examination – microscopes, spectrometers, refractometers
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Laboratory equipment – laboratory trolleys, racks, drying stands