YS/T 820.21-2013 Active Industry standards-Non-ferrous metals

YS/T 820.21-2013 Methods for chemical analysis of laterite nickel ores—Part 21:Determination of chromium content—The ammonium-ferrous sulfate titration method

Publish Date: 2013-10-17 Implement Date: 2014-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YS/T 820.21-2013

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods

ICS Name: \nMetal ores

Publish Date: 2013-10-17

Implement Date: 2014-03-01

Pages: 6 pages

Scope

This part of YS/T 820 specifies the method for determining the amount of chromium in laterite nickel ore.
This part is applicable to the determination of chromium content in laterite nickel ore. The determination range is 0.30% to 3.50%.

Development Information

Word Count: 10 Thousand words Pages: 6 pages

Same series standard

YS/T 820.3-2013 YS/T 820.3-2013 Chemical analysis methods for laterite nickel ore - Part 3: Determination of total iron content - Potassium dichromate titration method

Related Standards

GB/T 3714-1983 Replaced

GB/T 3714-1983 Technical requirements of manganese carbonate ore powder

Publish Date: 1983-05-24

GB/T 4414-1984 Replaced

GB/T 4414-1984 Methods of sampling and sample preparation of tungsten concentrates in bags

Publish Date: 1984-05-29

GB/T 6150.10-1985 Replaced

GB/T 6150.10-1985 Methods for chemical analysis of tungsten concentrates—The thiocyanate photometric method for the determination of molybdenum content

Publish Date: 1985-06-21

GB/T 6150.11-1985 Replaced

GB/T 6150.11-1985 Methods for chemical analysis of tungsten concentrates—The atomic absorption spectrophotometric method for the determination of copper content

Publish Date: 1985-06-21

GB/T 6150.1-1985 Replaced

GB/T 6150.1-1985 Methods for chemical analysis of tungsten concentrates—The ammonium tungstate igniting gravimetric method for the determination of tungsten trioxide content

Publish Date: 1985-06-21

GB/T 6150.12-1985 Replaced

GB/T 6150.12-1985 Methods for chemical analysis of tungsten concentrates—The hydrochloric acid-sodium chloride supporting electrolyte polarographic method for the determination of lead content

Publish Date: 1985-06-21