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Potassium tetraoxalate dihydrate NIST® SRM® 189c, pH standard

Potassium tetraoxalate dihydrate

Potassium tetraoxalate dihydrate NIST® SRM® 189c, pH standard

Synonym(s):

Potassium tetraoxalate dihydrate, Oxalic acid hemipotassium salt

Linear Formula:

KH₃(C₂O₄)₂ · 2H₂O

CAS Number:

Molecular Weight:

254.19

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1.01961

Potassium tetraoxalate dihydrate, certified secondary standard reference material for pH measurement; directly traceable to primary reference material from NIST/PTB pH (S) = 1.67₉ (25°C) Certipur^®

NIST189C

Potassium tetraoxalate dihydrate, NIST^® SRM^® 189c, pH standard