Volumetric flasks, class A, blue markings
20** ml, 12/21, 0,040 ± ml
612-5737
DURAN®, borosilicate glass, with PE stopper, conformity certified (DE-M marking).
- Blue enamel indelible markings resistant to acids and alkalis
- Certificate of conformity with dated batch identification available via website (www.hirschmannlab.de)
* In addition to DIN.
**Wide neck
: DIN EN ISO 1042
- NS:12/21
- Capacity:20** ml
- Seq:06
- Tolerance:0,040 ± ml
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