cab35活性物含量检测标准

纳米技术 氧化铁纳米颗粒类过氧化物酶活性测量方法

Nonionic surface active agents--Determination of polyethylene glycols and non-ionic active matter(adducts)--Weilbull method

Surface active agents—Detergents—Determination of anionic-active matter content—Direct two-phase titration procedure

Surface active agents—Detergents—Determination of cationic-active matter content—Direct two-phase titration procedure

Determination for acid soluble content in activated carbon

Determination of volatile organic compound(VOC) content in reactive diluent containing coatings

Surface active agents—Determination of free formaldehyde

Surface active agents-Detergents-Determination of cationic-active matter content

Test methods of wooden activated carbon—Determination of iron content

Determination of total active matter content in detergents

Surface active agents - Detergents - Anionic-active matter hydrolyzable under alkaline conditions - Determination of hydrolyzable and non-hydrolyzable anionic-active matter

Test methods of wooden activated carbon--Determination of ash content

Test methods of wooden activated carbon--Determination of zine content

Test methods of wooden activated carbon--Determination of moisture content

Test methods of wooden activated carbon--Determination of calcium and magnesium content

Sodium ethoxylated alkyl sulfate—Determination of total active matter content

Anionic surface active agents—Determination of soluble matter content in light petroleum

Determination for acid soluble iron content in activated carbon