bulb pipettes Silberbrand ETERNA, classe B, 1 mark, amber printing

Silberbrand® volumetric and graduated pipettes fulfill increasingly quality demands for transmitting liquids in the laboratory. Brand ® manufactures glass volumetric instruments in accordance with current DIN EN ISO standards.  Specified error limits are observed with at least 99.6% reliability. Brand® confirms this by including batch, individual, or DAkkS certificates, which also show that the Brand® products frequently perform far beter than specified error limits.

Silberbrand® volumetric instruments are robust, so that they provide a long service life. 

Silberbrand® volumetric instruments can be heated up to 250°C in a drying cabinet or sterilizer without causing permanent change in volume.

The reference temperature 20°C applies to Silberbrand® volumetric instruments.

The testing of volumetric instruments is done gravimetrically according to DIN EN ISO 4787.

Silberbrand ETERNA  =  AMBER DIFFUSION STAIN :

Silberbrand ETERNA instruments are printed with an amber diffusion stain. It diffuses into the glass surface and can only be removed by abrasion. It is used for volumetric instruments which are subjected to particularly aggressive cleaning methods.

Class B

Volumetric instruments of class B are within twice the error limits for class A/AS as defined by DIN and ISO.