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Handling of graduated and mixing cylinders

Picture of two BRAND graduated cylinders

What are graduated cylinders?

Graduated cylinders are graduated volumetric instruments used to measure different volumes of liquids. They have a cylindrical shape with a spout at the top, a base at the bottom, and a volume scale that allows the liquid volume contained to be read. Graduated cylinders are generally calibrated to “In” (TC = to contain) and can be made of glass or plastic. Due to their relatively large cross-section, their measurement accuracy is lower than that of volumetric flasks, for example.

How to work with graduated cylinders

1. Fill with liquid.


2. Set the meniscus to the required mark (read at eye level!)


3. The wall of the cylinder must not be wetted above the mark.


4. The indicated volume is the amount of liquid contained.

Note:
In the laboratory, graduated cylinders are frequently used just like measuring instruments that are calibrated to deliver (TD, Ex). Measurements with water showed that the dispensed volume is reduced by approximately the amount of the error limit of the graduated cylinder due to the residue amount from wetting. Prerequisite: The liquid is slowly dispensed in one portion, and to finish delivery of the liquid the cylinder is held at an incline for a further 30 s.

BRAND product examples of graduated cylinder

Graduated cylinder, tall form, BLAUBRAND®, A, DE-M, 100 ml: 1 ml, Boro 3.3

Graduated cylinder, tall form, BLAUBRAND®, A, DE-M, 100 ml: 1 ml, Boro 3.3

Boro 3.3. To DIN EN ISO 4788. Calibrated to contain (TC, In). With spout and hexagonal glass base. All BLAUBRAND® cylinders are delivered with batch number and one batch certificate enclosed per packing unit of the manufacturer. Also available on request with individual certificate or DAkkS calibration

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Graduated cylinder, low form, SILBERBRAND ETERNA, 250 ml: 5 ml, Boro 3.3, graduated in amber

Graduated cylinder, low form, SILBERBRAND ETERNA, 250 ml: 5 ml, Boro 3.3, graduated in amber

Boro 3.3. DIN EN ISO 4788. Calibrated to contain (TC, In). With spout and hexagonal

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Graduated cylinder, tall form, A, PMP, 250ml:2ml, DE-M, graduated in blue

Graduated cylinder, tall form, A, PMP, 250ml:2ml, DE-M, graduated in blue

PMP, transparent. To DIN 12681 and ISO 6706. Calibrated to contain (TC, In). Incl. one batch certificate. A particularly high-quality printing ink is used in the BRAND graduated cylinders. Exposure to temperatures up to 121 ºC (autoclaving) will not cause permanently exceeded error limits! Cleaning up to max. 60 °C is recommended to preserve marks and

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Graduated cylinder, tall form, 100 ml: 1 ml PP, graduated in blue

Graduated cylinder, tall form, 100 ml: 1 ml PP, graduated in blue

PP, high clarity. DIN 12 681 and ISO 6706. Calibrated to contain (TC, In). Exposure to temperatures up to 80 °C will not cause permanently exceeded error limits! Cleaning up to max. 60 °C is recommended to preserve marks and

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Picture of BRAND mixing cylinders

What are mixing cylinders?

Mixing cylinders are essentially designed like graduated cylinders. They have a cylindrical shape, a base at the bottom, a volume scale calibrated to “In”, and are made of glass. Unlike conventional graduated cylinders, they do not have a spout at the top but a ground-glass joint. A stopper can be inserted, allowing the liquids inside to be safely mixed by shaking or repeatedly inverting the mixing cylinder.

Note:
When two liquids are mixed, a volume change may occur.

BRAND product examples of graduated cylinder

Mixing cylinder, BLAUBRAND®, A, DE-M, 100 ml: 1 ml, Boro 3.3, NS24/29, PP stopper

Mixing cylinder, BLAUBRAND®, A, DE-M, 100 ml: 1 ml, Boro 3.3, NS24/29, PP stopper

Boro 3.3. DIN EN ISO 4788. Calibrated to contain (TC, In). With PP stopper and hexagonal base. Height without stopper. All BLAUBRAND® cylinders are delivered with batch number and one batch certificate enclosed per packing unit of the manufacturer. Also available on request with individual certificate, USP individual certificate or DAkkS calibration

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Mixing cylinder, SILBERBRAND ETERNA, B, 100 ml: 1 ml, Boro 3.3, NS24/29, PP stopper

Mixing cylinder, SILBERBRAND ETERNA, B, 100 ml: 1 ml, Boro 3.3, NS24/29, PP stopper

Boro 3.3. DIN EN ISO 4788. Calibrated to contain (TC, In). With PP stopper and hexagonal base. Height without

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Dr. Christian Schurz
Product Manager Glass & Plasticware | Expert in Volumetric Measuring Instruments

Dr. Christian Schurz has been a Product Manager at BRAND GMBH + CO KG in Wertheim for over 13 years, specializing in volumetric measuring instruments. He is actively involved in standardization as a member of the DIN Working Committee on Volumetric Instruments and as an expert and project leader in ISO/TC 48/SC 8/WG 1 (Glass and Plastic Volumetric Apparatus). After earning his degree in Chemistry (Diplom) at TU Bergakademie Freiberg, he completed his PhD in Inorganic Chemistry at the University of Stuttgart. He continued his scientific career as a postdoctoral researcher before joining BRAND in 2013.

BRAND GMBH + CO KG

Otto-Schott-Str. 25
97877 Wertheim
Germany


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