Potassium tetraoxalate dihydrate NIST&#174; SRM&#174; 189c, pH standard

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&#176;C) Certipur&#174;

Potassium tetraoxalate dihydrate

Supelco

certified secondary standard reference material for pH measurement; directly traceable to primary reference material from NIST/PTB pH (S) = 1.679 (25&#176;C) Certipur&#174;

NIST&#174; SRM&#174; 189c, pH standard

Potassium tetraoxalate dihydrate

Products

1.01961

NIST189C