Potassium standard solution, 1000 mg/L K in 0,5 M nitric acid (from KNO₃) Certipur® standard for AAS, Supelco®
: Merck
Potassium standard solution, 1000 mg/L K in 0,5 M nitric acid (from KNO₃) Certipur® standard for AAS, Supelco®
: Merck
: Traceable to SRM from NIST.
- M-Clarity quality level:MQ100
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Potassium hydrogen phthalate 99.99% acidimetric standard
: Thermo Fisher Scientific
1,5-Diphenylcarbazide ACS
: Thermo Fisher Scientific
KWAS AZOTOWY 65% CZDA, ODCZ. FP OP. 1 DM 1 * 1 L
: POCH AVANTOR BRAND