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YS/T 438.5-2001 Methods for physical performance determination of sandy alumina—Determination of α-alumina content—X-ray diffraction spectrum method 60 (USD) via email in 1-3 business day ABOLISHED
YS/T 273.3-2006 Chemical analysis methods and physical properties of cryolite—Part 3:Determination of fluoride content by distillation-thorium nitrate titration 105 (USD) via email in 1-3 business day ABOLISHED
YS/T 455.5-2003 Test method for aluminium foil Part 5:Test method for direct-current resistance 45 (USD) via email in 1-3 business day VALID
YS/T 273.11-2006 Chemical analysis methods and physical properties of cryolite—Part 11:Determination of sulphur content by X-ray fluorescence spectrometric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 581.5-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 5:Determination of sodium by flame atomic absorption spectrometric method 75 (USD) via email in 1-3 business day VALID
YB 936-1978 via email in ABOLISHED please email coc@codeofchina.com for quotation
GB 1480-1984 60 (USD) via email in 1-3 business day ABOLISHED
YS/T 629.1-2007 Chemical analysis methods of high purity alumina Determination of silicon dioxide Molybdenum blue photometric method extracted with n-Amyl alcohol via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
YS/T 864-2013 Method of slab band tinsel surface cleanliness analysis of copper and copper alloys 120 (USD) via email in 1-3 business day VALID
GB 5251-1985 75 (USD) via email in 1-3 business day ABOLISHED
GB 5257-1985 75 (USD) via email in 1-3 business day ABOLISHED
YS/T 469-2004 Determination of whitenessof alumina and aluminium hydroxide via email in VALID please email coc@codeofchina.com for quotation
GB 1425-1978 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 581.14-2006 Determination of chemical contents and physical properties of aluminium fluoride Part 14: Determination of untamped density 75 (USD) via email in 1-3 business day VALID
GB 1424-1978 30 (USD) via email in 1-3 business day ABOLISHED
YS/T 455.2-2003 Test method for aluminium foil Part 2:Test method for porosity 60 (USD) via email in 1-3 business day VALID
YB 929-1978 via email in ABOLISHED please email coc@codeofchina.com for quotation
GB 3491-1983 45 (USD) via email in 1-3 business day ABOLISHED
YS/T 455.1-2003 Test method for aluminium foil Part 1:Test method for surface tension 60 (USD) via email in 1-3 business day VALID
YS/T 455.8-2007 Aluminum foil test methods Part 8:Method for measuring cube texture content 90 (USD) via email in 1-3 business day VALID
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