JB/T 7948.1-1999
Methods for chemical analysis of melted welding fluxes.The gravimetric method for determination of silicon dioxide content (English Version)

Standard No.

JB/T 7948.1-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Machinery

Status

Be replaced 2018-04

Replace By

JB/T 7948.1-2017

Latest

JB/T 7948.1-2017

Replace

JB/T 7948.1-1995

Scope

This standard is applicable to the determination of silica content in smelting flux. The measurement range is 10.0%~50.0%. This standard complies with GB/T 1467-1978 "General Provisions and General Provisions of Standards for Chemical Analysis Methods of Metallurgical Products".

JB/T 7948.1-1999 history

• 2017 JB/T 7948.1-2017 Methods for chemical analysis of fluxes Part 1: Determination of silica content
• 1999 JB/T 7948.1-1999 Methods for chemical analysis of melted welding fluxes.The gravimetric method for determination of silicon dioxide content
• 1970 JB/T 7948.1-1995 Methods for chemical analysis of melted welding fluxes.The gravimetric method for determination of silicon dioxide content