GB/T 21198.4-2007 Replaced National standards

GB/T 21198.4-2007 Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry—Part 4:999‰precious metals jewellery alloys—Determination of precious metals—Difference method

GB/T 21198.4-2007 Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry—Part 4:999‰precious metals jewellery alloys—Determination of precious metals—Difference method

Publish Date: 2007-11-12 Implement Date: 2008-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 21198.4-2007

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Decorative arts and crafts

ICS Name: Jewelry

Publish Date: 2007-11-12

Implement Date: 2008-07-01

Pages: 8 pages

Scope

This part of GB/T 21198 specifies the method for determining the platinum content in platinum alloy jewelry, the palladium content in palladium alloy jewelry, and the gold content in gold alloy jewelry by measuring the impurity element content in 999‰ precious metal alloy jewelry. This part is applicable to precious metal alloy jewelry with a content of 999‰. Note: The jewelry may contain platinum, palladium, gold, silver, bismuth, cadmium, cobalt, copper, iron, iridium, nickel, lead, rhodium, ruthenium, tin, titanium, and zinc.

Development Information

Word Count: 12 Thousand words Pages: 8 pages

Same series standard

GB/T 21198.1-2007 Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry—Part 1:Platinum jewellery alloys—Determination of platinum—Method using a solution with yttrium as internal standard element GB/T 21198.2-2007 Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry—Part 2:Platinum jewellery alloys—Determination of platinum—Method using the intensity ratios of all minor constituents with reference to platinum GB/T 21198.3-2007 Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry—Part 3:Palladium jewellery alloys—Determination of palladium—Method using a solution with yttrium as internal standard element GB/T 21198.5-2007 Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry—Part 5:999‰ silver jewellery alloys—Determination of silver—Difference method GB/T 21198.6-2007 Determination of precious metals in precious metals jewellery alloys—Method using ICP spectrometry—Part 6:Difference method

Superseded by the following standards

GB/T 38145-2019 High content precious metals jewellery alloys—Determination of gold,platinum and palladium—Difference method using inductively coupled plasma optical emission spectroscopy

Related Standards

GB/T 9288-1998 Replaced

GB/T 9288-1998 Analyse method of gold content in jewellery

Publish Date: 1998-03-25

GB/T 17832-1999 Replaced

GB/T 17832-1999 Determination of silver in silver jewellery alloys—Volumetric (potentiometric) method using potassium bromide

Publish Date: 1999-08-12

GB/T 11887-2000 Replaced

GB/T 11887-2000 Jewellery－Fineness of precious metal alloys and designation

Publish Date: 2000-04-05

GB/T 18043-2000 Replaced

GB/T 18043-2000 Precious metal jewellery content non-damaged test method—X-ray fluorescence spectrometry

Publish Date: 2000-04-05

GB/T 18303-2001 Replaced

GB/T 18303-2001 Color grading of polished diamond by visual matching

Publish Date: 2001-01-21

GB/T 11886-2001 Replaced

GB/T 11886-2001 Chemical analysis—Method of silver content in jewellery

Publish Date: 2001-07-20