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Graduated cylinders

Graduated cylinders in glass or plastic quality for your laboratory applications. Graduated cylinders, measuring and mixing cylinders are available in tall or short form and many different sizes. BLAUBRAND® graduated cylinders are supplied with a batch number and certificate.

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Graduated/Mixing cylinders, glass

BRAND graduated and mixing cylinders provide the highest accuracy. Strict statistical quality controls ensure maintenance of these high standards. All BLAUBRAND® graduated cylinders are supplied with a batch number and an accompanying batch certificate in the original packaging. On request, they are also available with an individual certificate or DAkkS calibration certificate. BLAUBRAND®: Ring marks at major graduations. Reading at lowest point of meniscus. SILBERBRAND: Short graduation marks. Reading at lowest point of meniscus.

Plastic graduated cylinders

BRAND graduated cylinders are made of high-quality plastics which provide excellent chemical resistance. The nearly perfect cylindrical design allows equal graduation marks. - Strengthened rim increases overall dimensional stability - Functional spout minimizes spills - Hexagonal base with knobs for increased stability - Easy-to-read graduations - Extremely durable.

Graduated cylinders, class A

Class A graduated cylinders are characterized by their very low measure value scatter, as shown in the example above. Class A error limits are maintained after 20 washing and 10 sterilization cycles at 121 °C. (DIN 12 681 requires only 10 washing and 3 sterilization cycles.)

Frequently Asked Questions (Graduated cylinders)

What is the advantage of low form graduated cylinders?

Due to the reduced height low form graduated cylinders have an improved stability compared to tall form graduated cylinders. With identical volumes the inner diameter and, subsequently, the error limits of graduated cylinders of low form increase. All graduated cylinders with low form refer to Class B (SILBERBRAND) of DIN EN ISO 4788. Graduated cylinders with tall form can meet error limits of Class A (BLAUBRAND) or Class B (SILBERBRAND).

What is the appropriate handling of mixing cylinders?

Mixing cylinders can be used in the preparation of standard solutions and dilutions, the same as volumetric flasks. Insert amount of substance or standard solution concentrate, fill mixing cylinder with solvent about half, swirl mixing cylinder to dissolve and mix, fill mixing cylinder with water to just below the ring mark, top up remaining volume until meniscus is excatly at ring mark by using a wash bottle or pipette, close mixing cylinder and shake upside down to mix thouroughly. Carefully remove closure to vent any pressure, taking care to avoid any aerosols that may have been generated.

Are graduated or mixing cylinders calibrated according to 'TC, In' or 'TD, Ex'?

'TC, In': The contained quantity of liquid corresponds exactly to the capacity indicated on the instrument.

What kind of screening inks does BRAND use for printing the graduated or mixing cylinders?

Blue and white enamel are printed on the outer surface and provide a high contrast and an optimal combination of chemical resistance and legibility for BLAUBRAND (cl. A) and SILBERBRAND (cl. B) graduated or mixing cylinder. Amber diffusion stain is used for BLAUBRAND®-ETERNA (cl. A) and SILBERBRAND-ETERNA (cl. B) graduated or mixing cylinder. This color diffuses into the glass surface and can therefore only be removed by abrasion or glass corrosion.

What are BLAUBRAND® and SILBERBRAND volumetric flasks labeled with?

Every BLAUBRAND® and SILBERBRAND graduated or mixing cylinder is labeled with nominal capacity, unit symbol (ml), error limit (± _ ml), calibration temperature (20 °C), calibration type (In), Class (A or B), country of origin (Germany), manufacturer's trademark (BLAUBRAND or SILBERBRAND) or company's name or logo (BRAND) as well as the type of glass (Boro 3.3), the standard referring to (ISO or ISO 4788) and inscription ETERNA (if applicable). Every BLAUBRAND® graduated or mixing cylinder is labeled additionally with DE-M marking and batch or serial number as well as in case of USP volumetric flasks the inscription USP.

What are BLAUBRAND® and SILBERBRAND volumetric flasks labeled with?

Every BLAUBRAND® and SILBERBRAND graduated or mixing cylinder is labeled with nominal capacity, unit symbol (ml), error limit (± _ ml), calibration temperature (20 °C), calibration type (In), Class (A or B), country of origin (Germany), manufacturer's trademark (BLAUBRAND or SILBERBRAND) or company's name or logo (BRAND) as well as the type of glass (Boro 3.3), the standard referring to (ISO or ISO 4788) and inscription ETERNA (if applicable). Every BLAUBRAND® graduated or mixing cylinder is labeled additionally with DE-M marking and batch or serial number as well as in case of USP volumetric flasks the inscription USP.

What has to be taken into account when two liquids are mixed?

When two liquids are mixed, a volume change may occur due to the change of properties of the mixture in comparison to the individual liquids.

What is the appropriate handling of graduated cylinders?

Handling of graduated cylinders: Fill with liquid. Set meniscus to required mark and be sure that the wall of the cylinder is not wetted above the mark. The indicated volume is the amount of liquid contained.

What is the difference between Class A and Class B?

Class A stands for highest quality grade volumetric flasks in accordance to DIN EN ISO 1042 and, therefore, for tight error limits (BLAUBRAND®). Class B volumetric flasks (SILBERBRAND) have larger error limits than Class A volumetric flasks, usually twice as much.

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