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Position: Search valid to be valid superseded to be superseded abolished to be abolished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
YS/T 250-1994 Nuclear-grade boron carbide powder $180.00 via email in 1~3 business day abolished
YS/T 251-1994 Nuclear-grade boron carbide pellets $180.00 via email in 1~3 business day abolished
YS/T 252.1-1994 Methods for chemical analysis of nickel matte—The dimethylglyoxime gravimetric method for the determination of nickel content $45.00 via email in 1~3 business day superseded
YS/T 252.1-2007 Methods for chemical analysis of nickel matte-Determination of nickel content-Dimethylglyoxime gravimetric method $105.00 immediately valid
YS/T 252.2-1994 Methods for chemical analysis of nickel matte—The sulfosalicylic acid photometric method for the determination of iron content $15.00 via email in 1~3 business day superseded
YS/T 252.2-2007 Methods for chemical analysis of nickel matte-Determination of iron content-Sulfosalicylic acid photometric method $60.00 immediately valid
YS/T 252.3-1994 Methods for chemical analysis of nickel matte—The nitroso-R-salt photometric method for the determination of cobalt content $15.00 via email in 1~3 business day superseded
YS/T 252.3-2007 Methods for chemical analysis of nickel matte-Determination of cobalt content-Flame atomic absorption spectrometric method $105.00 immediately valid
YS/T 252.4-1994 Methods for chemical analysis of nickel matte—The sodium thiosulphate titrimetric method for the determination of copper content $15.00 via email in 1~3 business day superseded
YS/T 252.4-2007 Methods for chemical analysis of nickel matte-Determination of cobalt content-Sodium thiosulphate titrimetric method $105.00 immediately valid
YS/T 252.5-1994 Methods for chemical analysis of nickel matte—The barium sulfate gravimetric method for the determination of sulfur content $15.00 via email in 1~3 business day superseded
YS/T 252.5-2007 Methods for chemical analysis of nickel matte - Determination of sulfur content-Combustion-neutralization titrimetric method $90.00 immediately valid
YS/T 252.6-2020 Methods for chemical analysis of nickel matte-Part 6:Determination of lead, zinc and arsenic contents-Inductively coupled plasma atomic emission spectrometry $120.00 via email in 1~3 business day valid
YS/T 252.7-2020 Methods for chemical analysis of nickel matte-Part 7:Determination of silver content-Flame atomic absorption spectrometry $105.00 via email in 1~3 business day valid
YS/T 252.8-2020 Methods for chemical analysis of nickel matte-Part 8:Determination of gold, platinum and palladium contents-Fire assay collection-inductively coupled plasma atomic emission spectrometry $135.00 via email in 1~3 business day valid
YS/T 253-1994 Carbide tips for brazing on turning tools $60.00 via email in 1~3 business day valid
YS/T 254.1-1994 Methods for chemical analysis of beryllium concentrates-beryl The phosphate gravimetric method for the determination of beryllium oxide content $30.00 via email in 1~3 business day abolished
YS/T 254.1-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 1:Determination of beryllium oxide content—Phosphate gravimetry $120.00 via email in 1~3 business day valid
YS/T 254.2-1994 Methods for chemical analysis of beryllium concentrates-beryl The EDTA volumetric method for the determination of ferric sesquioxide content $30.00 via email in 1~3 business day abolished
YS/T 254.2-2011 Methods for chemical analysis of beryllium concentrate and beryl—Part 2:Determination of ferric oxide content—EDTA titrimetry and sulfosalicylic acid spectrophotometry $180.00 via email in 1~3 business day valid
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