Standard Test Method for Determination of Chromic Oxide in Wet Blue (Perchloric Acid Oxidation)

Importancia y uso:

5.1 The procedure described is specific for chromium in Wet Blue. Vanadium is the only common interfering element and is rarely present in quantity. The precision and accuracy of the methods are usually, at least, as good as the sampling of Wet Blue itself.

5.2 The chromium content of Wet Blue is related to the degree of tannage obtained, and hence may be a matter for specification in the purchase of Wet Blue. The procedure described provides adequate accuracy for this purpose.

Subcomité:

D31.02

Referida por:

D7967-21

Volúmen:

15.04

Número ICS:

59.140.10 (Processes and auxiliary materials), 71.040.40 (Chemical analysis)

Palabras clave:

blue stock; chrome content; chromic oxide; perchloric acid oxidation; Wet Blue;