50ml Soda Glass Bulb Pipette, Class AS, 1 Mark

Volumetric soda-lime glass pipette from the Czech Republic, EU – CE origin

The availability of a gauging mark means that a fixed volume measurement is available. It has been calibrated with distilled water at 20 ?C.

The graduation is silk-screen printed and the tolerance is ? 0,050 ml. The batch number is engraved and an individual certificate is issued on request.

Colour coded for easy identification.

Manufactured according to DIN 12690 and ISO 648.
Class AS means: “A” stands for highest measuring accuracy, “S” for fast emptying.

General properties of glass
Glass is distinguished by its very good chemical resistance to water, salt solutions, acids, bases and organic solvents. It is only attacked by hydrofluoric acid and, at high temperatures, by strong bases and phosphoric acid.

General properties of calcium soda glass
Soda glass has good chemical and physical properties. Suitable for products that usually only have to withstand chemical stresses for a short time and do not have to withstand high thermal loads. Chemical resistance to:

??? Water DIN 12111 ISO 719
??? Acids DIN 12116
??? Bases DIN 52322 ISO 695