Standards

XB/T 219-2007 Replaced

XB/T 219-2007 Cerium nitrate

This standard specifies the requirements, test methods, inspection rules, and packaging, marking, transportation, and storage of cerium nitrate. This standard applies to cerium nitrate obtained by chemical methods, which is used as an additive for gas lamp gauze and other applications.

Publish Date: 2007-08-01

XB/T 610.1-2007 Replaced

XB/T 610.1-2007 Chemical analysis methods for samarium cobalt permanent magnet alloy powder—Determination of samarium and cobalt—X-ray fluorescence spectrometric method

This part specifies the method for determining the amount of samarium and cobalt in samarium-cobalt 1∶5 permanent magnet alloy powder. This part is applicable to the determination of the amount of samarium and cobalt in samarium-cobalt 1∶5 permanent magnet alloy powder. The measurement range is: metal samarium (mass fraction) 20.00%～50.00%; metal cobalt (mass fraction) 50.00%～80.00%.

Publish Date: 2007-08-01

XB/T 610.2-2007 Replaced

XB/T 610.2-2007 Chemical analysis methods for samarium cobalt permanent magnet alloy powder—Determination of calcium and iron—Flame atomic absorption spectrometric method

This section specifies the method for determining the content of calcium and iron in samarium-cobalt 1:5 permanent magnet alloy powder. This section is applicable to the determination of calcium and iron in samarium-cobalt 1:5 permanent magnet alloy powder. The determination range is 0.020% to 0.500%.

Publish Date: 2007-08-01

XB/T 610.3-2007 Replaced

XB/T 610.3-2007 Chemical analysis methods for samarium cobalt permanent magnet alloy powder—Determination of oxygen content—Impulse-infrared absorption method

This section specifies the method for determining the oxygen content in samarium-cobalt 1:5 permanent magnet alloy powder. This section is applicable to the determination of oxygen content in samarium-cobalt 1:5 permanent magnet alloy powder. The measurement range is 0.100% to 0.500%.

Publish Date: 2007-08-01

XB/T 701-2007 Replaced

XB/T 701-2007 Test methods samarium cobalt permanent magnet alloy powder—Determination of particle size—Fisher method

This standard specifies the method for determining the average particle size of SmCo 1:5 permanent magnet alloy powder by the Fe-Becker method. This standard is applicable to the determination of the average particle size of SmCo 1:5 permanent magnet alloy powder by the Fe-Becker method. The measurement range is 2.0 μm to 25.0 μm.

Publish Date: 2007-08-01

XB/T 212-2006 Replaced

XB/T 212-2006 Gadolinium metal

This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, and storage of metallic gadolinium. This standard applies to metallic gadolinium produced by the thermal reduction of calcium, which is mainly used as a tube material for nuclear reactors, a working medium for magnetic refrigeration, magnetic-optical recording materials, and additives for non-ferrous metal alloys, etc.

Publish Date: 2006-06-13

XB/T 201-2006 Replaced

XB/T 201-2006 Holmium oxide

This standard specifies the requirements, test methods, inspection rules and markings, packaging, transportation, and storage of holmium oxide. This standard applies to holmium oxide produced by chemical methods. It can be used as an additive for yttrium iron or yttrium aluminum garnets used in controlling thermonuclear reactions, and also as an additive for manufacturing metal halide lamps, among other applications.

Publish Date: 2006-05-13

XB/T 204-2006 Replaced

XB/T 204-2006 Lutecium oxide

This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, and storage of lanthanum oxide.
This standard is applicable to lanthanum oxide produced by chemical methods, which can be used as an activator for phosphors in energy batteries, a raw material for magnetic bubble storage devices, and so on.

Publish Date: 2006-05-13

XB/T 214-2006 Replaced

XB/T 214-2006 Neodymium fluoride

This standard specifies the requirements, test methods, inspection rules, and packaging, marking, transportation, and storage of neodymium fluoride. This standard applies to neodymium fluoride produced by chemical methods, which is used for the preparation of neodymium metal and other products.

Publish Date: 2006-05-13

XB/T 215-2006 Replaced

XB/T 215-2006 Dysprosium fluoride

This standard specifies the requirements, test methods, inspection rules, and packaging, marking, transportation, and storage of dysprosium fluoride. This standard applies to dysprosium fluoride produced by chemical methods, which is used for the preparation of dysprosium metal and other products.

Publish Date: 2006-05-13

XB/T 505-2003 Replaced

XB/T 505-2003 Substrate of catalyst for petrol vehicle emission purification

This standard specifies the requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for exhaust purification catalyst carriers in gasoline vehicles. This standard applies to honeycomb ceramic carriers based on cordierite materials.

Publish Date: 2003-06-30

XB/T 607-2003 Replaced

XB/T 607-2003 The test method of the coating material of catalyst for petrol vehicle emission purification

This part specifies the qualitative determination method of cerium, lanthanum, and zirconium content in the coating materials of exhaust gas purification catalysts for gasoline vehicles. This part is applicable to the qualitative determination of cerium, lanthanum, and zirconium content in the coating materials of exhaust gas purification catalysts for gasoline vehicles.

Publish Date: 2003-06-30