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HJ 636-2012

Chinese Standard: 'HJ 636-2012'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
HJ 636-2012English85 Add to Cart 0-9 seconds. Auto delivery. Water quality. Determination of total nitrogen. Alkaline potassium persulfate digestion UV spectrophotometric method HJ 636-2012 Valid HJ 636-2012

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  HJ 636-2012  GB/T 13195-1991  GB/T 13200-1991  HJ 347.1-2018  HJ 347.2-2018