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Water treatment reagent - General rules for the determination of pH
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
Water treatment reagent - General rules for the determination of limiting viscosity number
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Available design: electronic design (pdf), Print design
Water treatment chemicals—General rules for determination of density
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Test method for efficacy of antimicrobials - Aerobic bacteria
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Water treatment chemicals - General method for determination of iron content
Available languages: English, Chinese
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Determination of chemical oxygen demand of reclaimed wastewaterPotassium dichromate method
Available languages: English, Chinese
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Water treatment chemicals - Determination of lead content
Available languages: English, Chinese
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Water treatment chemicals - Determination of arsenic content
Available languages: English, Chinese
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Test method for macrostructure and defect of steel by etching
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
Codes for the administrative divisions of the People""s Republic of China
Available languages: English, Chinese
Available design: electronic design (pdf), Print design