GB/T 12690.2-2002 Replaced National standards

GB/T 12690.2-2002 Chemical analysis methods for non—RE impurity of rare earth metals and their oxides—Determination of ignition loss content of rare earth oxides—Gravimetric method

Publish Date: 2002-11-19 Implement Date: 2003-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 12690.2-2002

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Rare earth metals and their alloys

ICS Name: Other non-ferrous metals and their alloys

Publish Date: 2002-11-19

Implement Date: 2003-06-01

Pages: 4 pages

Development Information

Word Count: 4 Thousand words Pages: 4 pages

Same series standard

GB/T 12690.1-2002 Chemical analysis methods for non-RE impurity of rare earth metals and their oxides—Determination of carbon and sulfur contents—High frequency-infrared absorption method GB/T 12690.3-2002 Chemical analysis methods for non-RE impurity of rare earth metals and their oxides—Determination of water content of rare earth oxides—Gravimetric method

Replace the following standards

GB 12690.27-1990

Superseded by the following standards

GB/T 12690.2-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides—Part 2:Determination of ignition loss content of rare earth oxides—Gravimetric method

Related Standards

GB/T 13840-1992 Abolished

GB/T 13840-1992 Wafer carriers

Publish Date: 1992-12-28

GB/T 15677-1995 Replaced

GB/T 15677-1995 Lanthanum metal

Publish Date: 1995-08-11

GB/T 3136-1995 abolished_transferred

GB/T 3136-1995 Tantalum powders

Publish Date: 1995-10-17

GB/T 3463-1995 Abolished

GB/T 3463-1995 Tantalum wires

Publish Date: 1995-10-17

GB/T 3628-1995 Replaced

GB/T 3628-1995 Tantalum and tantalum alloy foils

Publish Date: 1995-10-17

GB/T 16476-1996 Replaced

GB/T 16476-1996 Scandium metal

Publish Date: 1996-07-09