Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 19306-2003 Sodium cyanide for industrial use $150.00 via email in 1~3 business day valid
GB/T 19421.1-2003 Test methods of crystalline layered sodium disilicate―Qualitative analysis of delta-crystalline layered sodium disilicate―Method of X-ray diffractometer $45.00 via email in 1~3 business day superseded
GB/T 19421.10-2003 Test methods of crystalline layered sodium disilicate--Potassium fluosilicate volumetric methods for determination of silica dioxide content $180.00 via email in 1~3 business day superseded
GB/T 19421.11-2003 Test methods of crystalline layered sodium disilicate--Atomic absorption spectrophotometric methods for determination of calcium oxide content $220.00 via email in 1~3 business day superseded
GB/T 19421.12-2003 Test methods of crystalline layered sodium disilicate--Atomic absorption spectrophotometric methods for determination of magnesium oxide content $220.00 via email in 1~3 business day superseded
GB/T 19421.2-2003 Test methods of crystalline layered sodium disilicate―Measurement of whiteness $45.00 via email in 1~3 business day superseded
GB/T 19421.3-2003 Test methods of crystalline layered sodium disilicate--Method for determination of pH $180.00 via email in 1~3 business day superseded
GB/T 19421.4-2003 Test methods of crystalline layered sodium disilicate--EDTA volumetric methods for determination of calciumion exchange capacity $180.00 via email in 1~3 business day superseded
GB/T 19421.5-2003 Test methods of crystalline layered sodium disilicate--EDTA volumetric methods for determination of magnesium exchange capacity content $180.00 via email in 1~3 business day superseded
GB/T 19421.6-2003 Test methods of crystalline layered sodium disilicate-Gravimetric methods for determination of the loss on ignition $60.00 via email in 1~3 business day superseded
GB/T 19421.7-2003 Test methods of crystalline layered sodium disilicate-Gravimetric methods for determination of hygroscopic moisture $180.00 via email in 1~3 business day superseded
GB/T 19421.8-2003 Test methods of crystalline layered sodium disilicate--Phenanthroline photometric methods for determination of iron oxide content $180.00 via email in 1~3 business day superseded
GB/T 19421.9-2003 Test methods of crystalline layered sodium disilicate--Potassium fluosilicate volumetric methods for determination of sodium oxide content $180.00 via email in 1~3 business day superseded
GB/T 19590-2004 Nano-calcium carbonate $224.00 via email in 1~3 business day superseded
GB/T 19590-2011 Nanoscale Calcium carbonate (powdered form) $210.00 via email in 1~3 business day abolished
GB/T 19590-2023 Nanoscale calcium carbonate $240.00 via email in 1~3 business day valid
GB/T 23763-2009 Photo-catalytic antimicrobial materials and products - Assessment for antimicrobial activity and efficacy $184.00 immediately valid
GB/T 23835.1-2009 Lithium perchlorate anhydrous - Part 1: Lithium perchlorate anhydrous $120.00 via email in 1~3 business day valid
GB/T 23839-2009 Stannous sulfate for industrial use $210.00 via email in 1~3 business day valid
GB/T 23846-2009 Cobalt sulfamate for electroplating $240.00 via email in 1~3 business day superseded
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