GB/T 11213.4-2006
Sodium hydroxide for chemical fiber use.Determination of silicon content.Reduced molybdosilicate spectrophotometric method (English Version)

Standard No.

GB/T 11213.4-2006

Language

Chinese, Available in English version

Release Date

2006

Published By

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

Latest

GB/T 11213.4-2006

Replace

GB/T 11213.4-1989

Scope

This standard specifies the method for the determination of silicon content in sodium hydroxide for chemical fibers. This standard is applicable to the determination of sodium hydroxide products with a silicon dioxide content of 2μg-200μg in the sample.

GB/T 11213.4-2006 Referenced Document

• GB/T 4348.1-2000 Sodium hydroxide for industrial use-Determination of sodium hydroxide and sodium carbonate content
• GB/T 6682 Water for analytical laboratory use.Specification and test methods*， 2008-05-15 Update

GB/T 11213.4-2006 history

• 2006 GB/T 11213.4-2006 Sodium hydroxide for chemical fiber use.Determination of silicon content.Reduced molybdosilicate spectrophotometric method
• 1989 GB/T 11213.4-1989 Sodium hydroxide for chemical fiber use--Determination of silicon mass fraction--Reduced molybdo silicate spectrometric method

GB/T 11213.4-2006 -All Parts