GB/T 39138.1-2020
Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1：Determination of gold content—Potentiometric titration using ferrous sulfate (English Version)

Standard No.

GB/T 39138.1-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 39138.1-2020

Scope

This part of GB/I39138 specifies the method for the determination of gold content in gold-aluminum-chromium-iron-silicon-boron alloys. This section applies to the determination of gold content in gold-nickel-chromium-iron-silicon-boron alloys. Measuring range: 15.00 wolf to 30.00 rush. 2 Method principle

GB/T 39138.1-2020 history

• 2020 GB/T 39138.1-2020 Methods for chemical analysis of gold nickel chromium iron silicon boron alloys—Part 1：Determination of gold content—Potentiometric titration using ferrous sulfate

GB/T 39138.1-2020 -All Parts