GB/T 4324.13-2008 Active National standards

GB/T 4324.13-2008 Methods for chemical analysis of tungsten—Determination of calcium content—The inductively coupled plasma atomic emission spectrometry

Publish Date: 2008-06-09 Implement Date: 2008-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 4324.13-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Rare high-melting-point metals and their alloys

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2008-06-09

Implement Date: 2008-12-01

Pages: 6 pages

Scope

This part specifies the method for determining the calcium content in tungsten powder, tungsten bars, tungsten trioxide, blue tungsten, purple tungsten, tungsten carbide, tungstic acid, ammonium tungstate, and ammonium paratungstate. This part is applicable to the determination of calcium content in tungsten powder, tungsten bars, tungsten trioxide, blue tungsten, purple tungsten, tungsten carbide, tungstic acid, ammonium tungstate, and ammonium paratungstate. The measurement range is 0.0003% to 0.050%.