GB/T 15076.2-2019 Active National standards

GB/T 15076.2-2019 Methods for chemical analysis of tantalum and niobium—Part 2:Determination of niobium content in tantalum—Inductively coupled plasma atomic emission spectrometry and stratography gravimetry

Publish Date: 2019-12-31 Implement Date: 2020-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 15076.2-2019

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Analysis methods for rare metals and their alloys

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2019-12-31

Implement Date: 2020-11-01

Pages: 9 pages

Scope

This part of GB/T 15076 specifies the determination of niobium content in tantalum by inductively coupled plasma atomic emission spectrometry and chromatographic separation-weight method. This part is applicable to the determination of niobium content in tantalum and tantalum hydroxide, tantalum oxide, tantalum carbide, and potassium fluotantalate. **Method I: Inductively Coupled Plasma Atomic Emission Spectrometry** **Determination range**: 0.001% to 2.00% **Method II: Chromatographic Separation-Weight Method** **Determination range**: >2.00% to 20.00%