Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
LoginRegister
Position: Search valid to be valid superseded to be superseded abolished to be abolished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 19922-2005 Standard test methods for measuring site flatness on silicon wafers by noncontact scanning 150.0 via email in 1~3 business day valid
GB 2147-1980 15.0 via email in 1~3 business day valid
GB/T 1557-2018 Test method for determining interstitial oxygen content in silicon by infrared absorption 165.0 via email in 1~3 business day valid
YS/T 980-2014 Determination of impurities of high purity gallium oxide—Inductively coupled plasma-mass spectrmetry 165.0 via email in 1~3 business day valid
GB 4700.4-1984 15.0 via email in 1~3 business day superseded
YS/T 519.2-2009 Methods for chemical analysis of arsenic Part 2: Determination of antimony content-Malachite green spectrophotometric method 90.0 via email in 1~3 business day valid
YS/T 226.15-1994 Determination of selenium content in selenium--Thiosulfate volumetric method 15.0 via email in 1~3 business day abolished
YS/T 1059-2015 Determination of total carbon content in trichlorosilane for silicon eqitaxy―Gas chromatographic method 144.0 via email in 1~3 business day valid
SN/T 1650-2005 Determination of iron aluminium calcium magnesium manganese zinc copper titanium chromium nickel vanadium in metal silicon - Inductively coupled plasma atomic emission spectrometry 105.0 via email in 1~3 business day valid
GB/T 4700.4-1998 Methods for chemical analysis of calcium-silicon- The phosphomolybdenum blue photometric method for the determination of phosphorus content 60.0 via email in 1~3 business day abolished
GB/T 35309-2017 Practice for evaluation of granular polysilicon by melter-zoner and spectroscopies 165.0 via email in 1~3 business day valid
GB/T 4700.3-1984 Methods for chemical analysis of calcium-silicon;The EDTA titrimetric method for the determination of aluminum content 30.0 via email in 1~3 business day abolished
GB/T 4700.7-1998 Methods for chemical analysis of calcium-silicon -The infrared absorption method and the combustion-potassium iodate titration method for the determination of sulfur content 120.0 via email in 1~3 business day abolished
YS/T 34.3-2011 Method for chemical analysis of the high-purity arsenic—Predicating method for determinating the concentration of sulfur 120.0 via email in 1~3 business day valid
YS/T 226.6-2009 Methods for chemical analysis of selenium Part 6: Determination of sulfur content - Diphenylcarbazide spectrophotometry 90.0 via email in 1~3 business day valid
YS/T 226.12-2009 Methods for chemical analysis of selenium - Part 12: Determination of selenium content - Sodium thiosulphate titrimetric method 105.0 via email in 1~3 business day valid
GB/T 19921-2005 Test method of particles on silicon wafer surfaces 120.0 via email in 1~3 business day valid
GB/T 32281-2015 Test method for measuring oxygen, carbon, boron and phosphorus in solar silicon wafers and feedstock by secondary ion mass spectrometry 150.0 via email in 1~3 business day valid
GB 2143-1980 15.0 via email in 1~3 business day superseded
YS/T 227.7-1994 Determination of sulphur content in tellurium--Barium sulfate turbidimetry 15.0 via email in 1~3 business day superseded
About Us | Contact Us | Payment
Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886
Copyright: Codeofchina Inc 2008-2020