Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 33541-2017 Qualified judgement criteria of sampling inspectionfor gems and precious metal products $160.00 via email in 1~3 business day valid
GB/T 34098-2017 Quartzose jade--Classification and nomenclature $100.00 via email in 1~3 business day valid
GB/T 34543-2017 Yellow diamond grading $190.00 via email in 1~3 business day valid
GB/T 34545-2017 Emerald grading $270.00 via email in 1~3 business day valid
GB/T 35777-2017 Mechanical tests for metal alloys adornment chains―Tensile testing $160.00 via email in 1~3 business day valid
GB/T 35940-2018 Seawater cultured pearl oysters and classification of pearls $100.00 via email in 1~3 business day valid
GB/T 36127-2018 Process quality evaluation of carved jade products $220.00 via email in 1~3 business day valid
GB/T 36128-2018 Regulation of mass measurement permissible errors for jewelry and precious metal product $60.00 immediately valid
GB/T 36129-2018 Gems testing—Cathode luminescence image method $130.00 via email in 1~3 business day valid
GB/T 36168-2018 Turquoise -- Testing $300.00 via email in 1~3 business day valid
GB/T 36169-2018 Turquoise—Grading $250.00 via email in 1~3 business day valid
GB/T 36927-2018 Judgment guideline of children's jewellery $310.00 immediately valid
GB/T 38130-2019 Platinum jewellery alloys—Determination of platinum—Inductively coupled plasma(ICP)spectrometric method using yttrium as internal standard element $220.00 via email in 1~3 business day valid
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 $160.00 via email in 1~3 business day valid
GB/T 38161-2019 Palladium jewellery alloys-Determination of palladium-Inductively coupled plasma(ICP) spectrometric method using yttrium as internal standard element $160.00 via email in 1~3 business day valid
GB/T 38162-2019 High content siler jewellery alloys-Determination of silver-Difference method using inductively coupled plasma optical emission spectroscopy $160.00 via email in 1~3 business day valid
GB/T 38816-2020 Agate- - Beihong agate- Testing $135.00 via email in 1~3 business day valid
GB/T 38821-2020 Hetian Yu一Testing and classification $165.00 via email in 1~2 business day valid
GB/T 40746-2021 Freshwater nucleated pearl $120.00 via email in 1~3 business day valid
GB/T 41404-2022 Determination of platinum content in platinum alloys—Spark atomic emission spectrometric method（difference method） $165.00 via email in 1~3 business day valid
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