JB/T 7948.7-1995
Methods of Chemical Analysis of Soldering Flux Part 7: Determination of Sodium Oxide and Potassium Oxide (English Version)

Standard No.

JB/T 7948.7-1995

Language

Chinese, Available in English version

Published By

Professional Standard - Machinery

Status

Be replaced 2000-01

Replace By

JB/T 7948.7-1999

Latest

JB/T 7948.5-2017

JB/T 7948.7-2017

JB/T 7948.7-1995 history

• 2017 JB/T 7948.5-2017 Methods for chemical analysis of fluxes Part 5: Determination of calcium fluoride content
• 1999 JB/T 7948.7-1999 Methods for chemical analysis of melted welding fluxes.The lead chlorofluoride-EDTA volumetric method for determination of calcium fluoride content
• 1970 JB/T 7948.7-1995 Methods of Chemical Analysis of Soldering Flux Part 7: Determination of Sodium Oxide and Potassium Oxide