C0169900_923 2 4-Dinitrophenylhydrazine《化学试药（２，４–二硝基苯肼）》.pdf

相关资源

JIS K4148-1995二硝基苯类(间二硝基苯,2,4-二硝基苯).pdf

HG T 3452-2000 化学试剂 2,4-二硝基苯肼.pdf

HG 3-965-1976 化学试剂 2,4-二硝基苯肼.pdf

GB 11939-1989 水源水中二硝基苯类和硝基氯苯类卫生检验标准方法 气相色谱法.pdf

GB T 16112-1995 车间空气中二硝基苯的气相色谱测定方法.pdf

GB T 5009.86-2003 蔬菜、水果及其制品中总抗坏血酸的测定(荧光法和2,4-二硝基苯肼法).pdf

HG T 3452-2000 化学试剂.2,4-二硝基苯肼.pdf

GB T 16112-1995 车间空气中二硝基苯的气相色谱测定方法.pdf

GB T 12392-1990 蔬菜、水果及其制品中总抗坏血酸的测定方法(荧光法和2,4--二硝基苯肼法).pdf

GB T 11939-1989 水源水中二硝基苯类和硝基氯苯类卫生检验标准方法 气相色谱法.pdf

猜你喜欢

ANSI AWWA C218-2008 Liquid Coating Systems for the Exterior of Aboveground Steel Water Pipelines & Fittings《地面钢制水管和配件的外部用液体涂覆系统》.pdf

ANSI AWWA C218-2016 Liquid Coatings for Aboveground Steel Water Pipe and Fittings.pdf

ANSI AWWA C219-2017 Bolted Sleeve-Type Couplings for Plain-End Pipe.pdf

ANSI AWWA C220-2012 Stainless-Steel Pipe in (13mm) and Larger《1 2in(13mm)及以上尺寸的不锈钢管》.pdf

ANSI AWWA C220-2017 Stainless-Steel Pipe 1 2 In (13 mm) and Larger.pdf

ANSI AWWA C221-2012 Fabricated Steel Mechanical Slip-Type Expansion Joints《钢制机械套筒式补偿器》.pdf

ANSI AWWA C221-2018 Fabricated Steel Mechanical Slip-Type Expansion Joints.pdf

ANSI AWWA C222 ADD A-2009 Polyurethane Coatings for the Interior and Exterior of Steel Water Pipe and Fittings.pdf

ANSI AWWA C223-2013 Fabricated Steel and Stainless-Steel Tapping Sleeves《结构钢和不锈钢开口管套》.pdf