YS/T 231-2007
Tungsten concentrate (English Version)

Standard No.

YS/T 231-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

Professional Standard - Non-ferrous Metal

Status

Be replaced 2015-10

Replace By

YS/T 231-2015

Latest

YS/T 231-2015

Replace

YS/T 231-1994

Scope

This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation, storage and order form (or contract) content of tungsten concentrate. This standard applies to tungsten concentrate products obtained through mineral processing, which are used for the production of ammonium paratungstate, tungsten oxide, ferrotungsten, cemented carbide, alloy steel, tungsten materials and other tungsten alloys.

YS/T 231-2007 Referenced Document

• GB/T 1480 Metallic powders.Determination of particle size by dry sieving*， 2012-12-31 Update
• GB/T 4414 Methods of sampling and sample preparation of tungsten concentrates in bags*， 2013-11-27 Update
• GB/T 6150.1 Methods for chemical analysis of tungsten concentrates Part 1: Determination of tungsten trioxide content Ammonium tungstate ignition gravimetric method*， 2023-11-27 Update
• GB/T 6150.10 Methods of chemical analysis of tungsten concentrates - Part 10: Determination of lead content by hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry*， 2023-08-06 Update
• GB/T 6150.11 Methods for chemical analysis of tungsten concentrates.Determination of zinc content.Flame atomic absorption spectrometric method*， 2008-03-31 Update
• GB/T 6150.12 Methods for chemical analysis of tungsten concentrates - Part 12: Determination of silica content by silicon molybdenum blue spectrophotometric and gravimetric methods*， 2023-08-06 Update
• GB/T 6150.13 Methods for chemical analysis of tungsten concentrates—Part 13：Determination of arsenic content—Atomic fluorescence spectrometry and the silver diethyldithiocarbamate（DDTC-Ag）spectrophotometry*， 2022-10-14 Update
• GB/T 6150.14 Methods for chemical analysis of tungsten concentrates.Determination of manganese content.The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method*， 2008-03-31 Update
• GB/T 6150.15 Methods for chemical analysis of tungsten concentrates - Part 15: Determination of bismuth content by hydride generation atomic fluorescence spectrometry and flame atomic absorption spectrometry*， 2023-08-06 Update
• GB/T 6150.16 Methods for chemical analysis of tungsten concentrates.Determination of iron content.The sulfosalicylic acid spectrophotometry*， 2009-10-30 Update
• GB/T 6150.17 Methods for chemical analysis of tungsten concentrates—Part 17：Determination of antimony content—Atomic fluorescence spectrometry*， 2022-10-14 Update
• GB/T 6150.18 Methods of chemical analysis of tungsten concentrates - Part 18: Determination of barium content by inductively coupled plasma atomic emission spectrometry*， 2023-05-23 Update
• GB/T 6150.19 Methods for chemical analysis of tungsten concentrates--The 2-(5-bromo-pyridylazo)-5-diethylaminophenol photometric method for the determination of antimony content
• GB/T 6150.2 Methods for chemical analysis of tungsten concentrates—Part 2: Determination of tin content—Potassium iodate titrimetry and inductively coupled plasma atomic emission spectrometry*， 2022-10-14 Update
• GB/T 6150.3 Methods for chemical analysis of tungsten concentrates Part 3: Determination of phosphorus content Phosphomolybdenum yellow spectrophotometry and inductively coupled plasma atomic emission spectrometry*， 2023-11-27 Update
• GB/T 6150.4 Methods of chemical analysis of tungsten concentrates-Part 4: Determination of sulfur content by high-frequency induction infrared absorption method and combustion-iodometric method*， 2023-08-06 Update
• GB/T 6150.5 Methods for chemical analysis of tungsten concentrates.Determination of calcium content .EDTA volumetric method and flame atomic absorption spectrometric method*， 2008-03-31 Update
• GB/T 6150.6 Methods of Chemical Analysis of Tungsten Concentrates Part 6: Gravimetric Method for Determination of Wet Water Content*， 2023-08-06 Update
• GB/T 6150.7 Methods for chemical analysis of tungsten concentrates.Determination of tantalum content and niobium content.Inductively coupled plasma emission spectrometry and spectrophotometry*， 2008-06-17 Update
• GB/T 6150.8 Methods of chemical analysis of tungsten concentrates - Part 8: Determination of molybdenum content by thiocyanate spectrophotometric method*， 2023-08-06 Update
• GB/T 6150.9 Methods for chemical analysis of tungsten concentrates.Determination of copper content.Flame atomic absorption spectrometry*， 2009-10-30 Update

YS/T 231-2007 history

• 2015 YS/T 231-2015 Tungsten concentrate
• 2007 YS/T 231-2007 Tungsten concentrate
• 1981 YS/T 231-1994 Technical requirements for tungsten concentrate