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Water standards for calculating the titre (volumetric) and checking (coulometric) Karl Fischer reagents.
We supply both the solid standard sodium tartrate dihydrate (EQP) and liquid standards.
A certificate of analysis is provided with each sales unit.

Supplied in packs that prevent absorption of atmospheric moisture:
Liquid standards packaged in head-sealed glass ampoules.
Sodium tartrate dihydrate packaged in threaded glass tubes fitted with a seal
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Thumbnail Catalog Description Packaging Specification
395459 Karl Fischer Water Standard 1.0 mg/g 10 x 10 ml Uncertainty: See certificate Traceability: NIST Concentration (as H2O): 1.0 mg/g
395458 Karl Fischer Water Standard 10 mg/g 10amp10ml Uncertainty: See certificate Traceability: NIST Concentration (as H2O): 10 mg/g
241719 Sodium Tartrate 2-hydrate standard for volumetry, ACS 10 x 1,5 g / 100g CAS No. 6106-24-7 / solid / M.W 230.08 g/mol
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