JB/T 9220.9-1999
Chemical analysis methods for acid slay of cupola.Determination of phosphorus pentoxide by extraction molybdophosphate yellow using methyl isobutyl ketone spectrophotometic method of vanadium (English Version)

Standard No.

JB/T 9220.9-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Machinery

Latest

JB/T 9220.9-1999

Replace

JB/Z 284.9-1987

Scope

This standard specifies the determination of phosphorus pentoxide in chemical analysis methods. Measuring range: 0.005% ~ 0.30%. This standard is applicable to the analysis of acidic slag components of cast iron furnaces.

JB/T 9220.9-1999 history

• 1999 JB/T 9220.9-1999 Chemical analysis methods for acid slay of cupola.Determination of phosphorus pentoxide by extraction molybdophosphate yellow using methyl isobutyl ketone spectrophotometic method of vanadium
• 0000 JB/Z 284.9-1987