Standards

YS/T 351-2007 Replaced

YS/T 351-2007 Ilmenite concentrate

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, and storage of ilmenite concentrates. This standard applies to ilmenite concentrates obtained by ore enrichment using titanium-containing raw ores, which are mainly used in the production of high-titanium slag, rutile, and titanium dioxide.

Publish Date: 2007-04-13

YS/T 37.1-2007 Replaced

YS/T 37.1-2007 High pure germanium dioxide—Determination of chlorine content—Mercuric sulfocyanide spectrophotometric method

This section specifies the method for determining the chlorine content in high-purity germanium dioxide.
This section is applicable to the determination of chlorine content in high-purity germanium dioxide. The measurement range is 0.010% to 0.10% by mass fraction.

Publish Date: 2007-04-13

YS/T 37.2-2007 Replaced

YS/T 37.2-2007 High pure germanium dioxide—Determination of silicon content—Molybdenum blue spectrophotomertic method

This section specifies the method for determining the silicon content in high-purity germanium dioxide.
This section is applicable to the determination of the silicon content in high-purity germanium dioxide. The determination range is 0.00001% to 0.0001% by mass fraction.

Publish Date: 2007-04-13

YS/T 37.3-2007 Replaced

YS/T 37.3-2007 High pure germanium dioxide—Determination of arsenic content—Graphite furnace atomic absorption spectrometric method

This section specifies the method for determining the arsenic content in high-purity germanium dioxide.
This section is applicable to the determination of arsenic content in high-purity germanium dioxide. The measurement range is 0.000002% to 0.0001% by mass fraction.

Publish Date: 2007-04-13

YS/T 37.4-2007 Replaced

YS/T 37.4-2007 High pure germanium dioxide—Determination of magnesium,aluminium,cobalt,nickel,copper,zinc,indium,lead,calcium,iron and arsenic content—Inductively coupled plasma mass spectrometric method

This section specifies the determination method for the content of magnesium, aluminum, cobalt, nickel, copper, zinc, indium, lead, calcium, iron, and arsenic in high-purity germanium dioxide.
This section is applicable to the determination of the content of magnesium, aluminum, cobalt, nickel, copper, zinc, indium, lead, calcium, iron, and arsenic in high-purity germanium dioxide. The determination range: the mass fractions of each element are shown in Table 1.

Publish Date: 2007-04-13

YS/T 37.5-2007 Replaced

YS/T 37.5-2007 High pure germanium dioxide—Determination of iron content—Graphite furnace atomic absorption spectrometric method

This section specifies the method for determining the iron content in high-purity germanium dioxide.
This section is applicable to the determination of iron content in high-purity germanium dioxide. The determination range is 0.000005% to 0.0002% by mass fraction.

Publish Date: 2007-04-13

YS/T 581.15-2007 Replaced

YS/T 581.15-2007 Determination of chemical contents and physical properties of aluminium fluoride—Part 15:Free alumina content

This part specifies the method for determining the free alumina in aluminum fluoride.
This part is applicable to the determination of the free alumina content in aluminum fluoride, with a measurement range of 0.1% to 15%.

Publish Date: 2007-04-13

YS/T 61-2007 Replaced

YS/T 61-2007 Cemented carbide rolls for high-speed wire rods

This standard specifies the classification, requirements, inspection rules, and test methods for hard alloy roll rings, as well as their marking, packaging, transportation, and storage.
This standard applies to hard alloy roll rings used in high-speed wire rod rolling.

Publish Date: 2007-04-13

YS/T 619-2007 Replaced

YS/T 619-2007 Classification and brand nomenclature of the chemicals of alumina

This standard specifies the classification and grade designation of aluminum oxide chemicals.
This standard applies to the classification and grade designation of products in the aluminum hydroxide series, special aluminum oxide series, quasi-boehmite series, zeolite series, and calcium aluminate cement series of aluminum oxide chemicals.

Publish Date: 2007-04-13

YS/T 621-2007 Replaced

YS/T 621-2007 Aluminium and aluminium alloys sheet for presian blinds

This standard specifies the requirements, test methods, inspection rules, packaging, transportation, storage, and contract content for aluminum alloy strip for blinds.
This standard applies to aluminum alloy strip for blinds (hereinafter referred to as strip).

Publish Date: 2007-04-13

YS/T 623-2007 Replaced

YS/T 623-2007 High graphitiferous cathode carbon block for aluminium electrolysis

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, and contract content for high-graphite cathode blocks used in aluminum electrolysis. This standard applies to high-graphite cathode blocks (hereinafter referred to as "cathode blocks") used in the construction of aluminum electrolysis cells.

Publish Date: 2007-04-13

YS/T 624-2007 Replaced

YS/T 624-2007 Aluminium and aluminium alloy drawn rods and bars for general engineering

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, and contract content for drawn rod made of aluminum and aluminum alloys for general industrial use.
This standard applies to drawn round or rectangular rods made of aluminum and aluminum alloys with a cross-section of either a circle or a rectangle.

Publish Date: 2007-04-13