Standards

YS/T 264-2012 Abolished

YS/T 264-2012 High purity indium

This standard specifies the requirements for high-purity indium, test methods, inspection rules, and marking, packaging, transportation, storage, quality certificates, and contract (or order form) contents, etc.
This standard applies to high-purity indium produced from industrial crude indium through processes such as raw material processing and electrolytic refining. The product is used for making compound semiconductors, high-purity alloys, high-grade bearings, and dopants for semiconductor materials, etc.

Publish Date: 2012-11-07

YS/T 803-2012 Abolished

YS/T 803-2012 Smelter grade alumina

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, and order form (or contract) content for metallurgical-grade alumina.
This standard applies to alumina used in the production of aluminum metal by molten salt electrolysis, namely metallurgical-grade alumina (hereinafter referred to as alumina).

Publish Date: 2012-11-07

YS/T 805-2012 Abolished

YS/T 805-2012 Chemical analysis method for rare earth in aluminium and aluminium alloys—Determination of total rare earth by chemical analysis

The method specified in this standard provides a determination method for the total amount of cerium-group rare earth elements in aluminum and aluminum alloys.
The method specified in this standard is applicable to the determination of the total amount of cerium-group rare earth elements in aluminum and aluminum alloys. The determination range is 0.050% to 0.400%.
The method specified in this standard is not applicable to the determination of the total amount of cerium-group rare earth elements in aluminum and aluminum alloys that contain yttrium-group rare earth elements.

Publish Date: 2012-11-07

YS/T 807.10-2012 Abolished

YS/T 807.10-2012 Chemical analysis methods of aluminum hardeners—Part 10:Determination of potassium content —Flame atomic absorption spectrometric method

This part of YS/T 807 specifies the method for determining the potassium content in aluminum intermediate alloys.
This part is applicable to the determination of the potassium content in aluminum intermediate alloys. The measurement range is 0.0050% to 1.00%.

Publish Date: 2012-11-07

YS/T 807.11-2012 Abolished

YS/T 807.11-2012 Chemical analysis methods of aluminum hardeners—Part 11:Determination of sodium content—Flame atomic absorption spectrometric method

This part of YS/T 807 specifies the method for determining the sodium content in aluminum intermediate alloys.
This part is applicable to the determination of sodium content in aluminum intermediate alloys. The measurement range is 0.005% to 0.50%.

Publish Date: 2012-11-07

YS/T 807.1-2012 Abolished

YS/T 807.1-2012 Chemical analysis methods of aluminum hardeners—Part 1:Determination of iron content—Potassium bichromate titrimetric method

This part of YS/T 807 specifies the method for determining the iron content in aluminum intermediate alloys.
This part is applicable to the determination of iron content in aluminum intermediate alloys. The determination range is 3.5% to 25.0%.

Publish Date: 2012-11-07

YS/T 807.12-2012 Abolished

YS/T 807.12-2012 Chemical analysis methods of aluminum hardeners—Part 12:Determination of copper content—Sulfur and sodium titration method

This part of YS/T 807 specifies the method for determining the copper content in aluminum intermediate alloys.
This part is applicable to the determination of copper content in aluminum intermediate alloys. The measurement range is 20.0% to 70.0%.

Publish Date: 2012-11-07

YS/T 807.13-2012 Abolished

YS/T 807.13-2012 Chemical analysis methods of aluminum hardeners—Part 13:Determination of vanadium content—Ferrous ammonium sulfate titrimetric method

This part of YS/T 807 specifies the method for determining the vanadium content in aluminum intermediate alloys.
This part is applicable to the determination of vanadium content in aluminum intermediate alloys. The measurement range is 2.00% to 12.00%.

Publish Date: 2012-11-07

YS/T 807.14-2012 Abolished

YS/T 807.14-2012 Chemical analysis methods of aluminum hardeners—Part 14:Determination of strontium content—EDTA titrimetric method

This part of YS/T 807 specifies the method for determining the strontium content in aluminum intermediate alloys.
This part is applicable to the determination of strontium content in aluminum intermediate alloys. The measurement range is 3.00% to 12.00%.

Publish Date: 2012-11-07

YS/T 807.2-2012 Abolished

YS/T 807.2-2012 Chemical analysis methods of aluminum hardeners—Part 2:Determination of manganese content—Potassium periodate spectrophotometric method

This part of YS/T 807 specifies the method for determining the manganese content in aluminum intermediate alloys.
This part is applicable to the determination of manganese content in aluminum intermediate alloys. The measurement range is 5.0% to 30.0%.

Publish Date: 2012-11-07

YS/T 807.3-2012 Abolished

YS/T 807.3-2012 Chemical analysis methods of aluminum hardeners—Part 3:Determination of nickel content—EDTA titrimetric method

This part of YS/T 807 specifies the method for determining the nickel content in aluminum intermediate alloys.
This part is applicable to the determination of nickel content in aluminum intermediate alloys. The determination range is 5.0% to 25.0%.

Publish Date: 2012-11-07

YS/T 807.4-2012 Abolished

YS/T 807.4-2012 Chemical analysis methods of aluminum hardeners—Part 4:Determination of chromium content—The ammonium persulfate oxidation-ammonium ferrous sulfate titrimetric method

This part of YS/T 807 specifies the method for determining the chromium content in aluminum intermediate alloys.
This part is applicable to the determination of chromium content in aluminum intermediate alloys. The measurement range is 1.0% to 8.0%.

Publish Date: 2012-11-07