GB/T 4702.2-2008
Chromium metal. Determination of silicon content. The perchloric acid gravimetric method (English Version)

Standard No.

GB/T 4702.2-2008

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 4702.2-2008

Replace

GB/T 4702.2-1984

Scope

WARNING: Personnel applying this standard 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 specifies the perchloric acid gravimetric method for the determination of silicon content in metallic chromium. This section applies to the determination of silicon content in chromium metal. Measuring range (mass fraction): 0.10% to 0.50%.

GB/T 4702.2-2008 Referenced Document

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

GB/T 4702.2-2008 history

• 2008 GB/T 4702.2-2008 Chromium metal. Determination of silicon content. The perchloric acid gravimetric method
• 1984 GB/T 4702.2-1984 Methods for chemical analysis of chromium metal--The perchloric acid dehydration-gravimetric method for the determination of silicon content

GB/T 4702.2-2008 -All Parts