GB/T 7731.6-2008
Ferrotungsten.Determination of arsenic content.The molybdenum blue photometrie method and inductively coupled plasma-atomic emission spectrometry (English Version)

Standard No.

GB/T 7731.6-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 7731.6-2008

Replace

GB/T 7731.6-1987

Scope

Warning: Personnel using this part of GB/T 7731 should have practical experience in formal laboratory work. This section does not address all possible security issues. It is the user's responsibility to take appropriate safety and health measures and ensure compliance with the conditions stipulated in the relevant national laws and regulations. This part of GB/T 7731 specifies the determination of arsenic in ferro-tungsten by molybdenum blue photometry and inductively coupled plasma atomic emission spectrometry. This section applies to the determination of arsenic content in iron tungsten. The measurement range (mass fraction) of molybdenum blue photometry: 0.010% to 0.10%; the measurement range (mass fraction) of inductively coupled plasma atomic emission spectrometry: 0.010% to 0.20%.

GB/T 7731.6-2008 Referenced Document

• GB/T 4010 Ferroallys sampling and preparation of samples for chemical analysis*， 2015-09-11 Update

GB/T 7731.6-2008 history

• 2008 GB/T 7731.6-2008 Ferrotungsten.Determination of arsenic content.The molybdenum blue photometrie method and inductively coupled plasma-atomic emission spectrometry
• 1987 GB/T 7731.6-1987 Methods for chemical analysis of freeotungaten--The molybdenum blue photometric method for the determination of arsenic content

GB/T 7731.6-2008 -All Parts