2,4-二硝基苯肼 标准查询与下载

JIS K 8480:1994 2,4-二硝基苯肼

この規格は，試薬として用いる2，4ージニトロフェニルヒドラジンについて規定する

2,4-Dinitrophenylhydrazine

CSN 68 6183-1959 2,4-二硝基苯肼

2,4-dinitrophenylhydrazine

JIS K 8480:2015 2,4-二硝基苯肼(试剂)

2,4-Dinitrophenylhydrazine (Reagent)

JIS K 8480:2020 2,4-二硝基苯肼（试剂）

2,4-Dinitrophenylhydrazine (Reagent)

HG/T 3452-2000 化学试剂.2,4-二硝基苯肼

本标准规定了化学试剂2，4-二硝基苯肼的要求、试验方法、检验规则、包装及标志

Chemical reagent.2,4-Dinitrophenylhydrazine

HG 3-965-1976 化学试剂 2,4-二硝基苯肼

Chemical Reagent 2,4-Dinitrophenylhydrazine

ASTM E411-17 羰基化合物与2,4-二硝基苯肼痕量的标准试验方法

Standard Test Method for Trace Quantities of Carbonyl Compounds with 2,4-Dinitrophenylhydrazine

ASTM E411-17 羰基化合物与2,4-二硝基苯肼痕量的标准试验方法

1.1 This test method covers the determination of total carbonyl in the range from 0.5 to 50 µg calculated as CO. 1.2 This test method is intended

Standard Test Method for Trace Quantities of Carbonyl Compounds with 2,4-Dinitrophenylhydrazine

ASTM E411-24 用2,4-二硝基苯肼测定痕量羰基化合物的标准试验方法

1.1 This test method covers the determination of total carbonyl in the range from 0.5 µg to 50 µg calculated as CO. 1.2 This test method is intended

Standard Test Method for Trace Quantities of Carbonyl Compounds with 2,4-Dinitrophenylhydrazine

ASTM E411-00 用2,4-二硝基苯肼测定羟基化合物痕量的标准试验方法

1.1 This test method covers the determination of total carbonyl in the range from 0.5 to 50 ug calculated as CO.1.2 This test method

Standard Test Method for Trace Quantities of Carbonyl Compounds with 2,4-Dinitrophenylhydrazine

ASTM E411-04 使用2,4-二硝基苯肼测定羰基化合物痕量的标准试验方法

1.1 This test method covers the determination of total carbonyl in the range from 0.5 to 50 g calculated as CO.1.2 This test method

Standard Test Method for Trace Quantities of Carbonyl Compounds with 2,4-Dinitrophenylhydrazine

ASTM E411-12 使用2,4-二硝基苯肼对羰基化合物痕量测定的标准试验方法

This test method is applicable to the determination of trace amounts of aldehydes and ketones in aqueous solutions and a wide variety of organic

Standard Test Method for Trace Quantities of Carbonyl Compounds with 2,4-Dinitrophenylhydrazine

ASTM E411-25 使用2,4-二硝基苯肼测定羰基化合物痕量的标准试验方法

本试验方法涵盖总羰基（C=O）含量在0.5 µg至50 µg范围内的测定。本方法旨在通用，不包括样品制备步骤。在试验条件下水解的缩醛也可被测定。易于水解的缩醛和亚胺等羰基衍生物可通过替代程序测定。显色不稳定，必须在规定时间内测量。注1—测定痕量羰基化合物的其他试验方法见试验方法D1089、D1612

Standard Test Method for Trace Quantities of Carbonyl Compounds with 2,4-Dinitrophenylhydrazine

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)

本标准规定了用荧光法和2,4-二硝基苯肼比色法测定食品中的抗坏血酸。 本标准适用于蔬菜、水果及其制品中总抗坏血酸的测定。 本方法检出限：荧光法为0.022μg/mL，2，4-二硝基苯肼比色法为0.1μg/mL。线性范围：荧光法为5μg/mL～20μg/mL，2，4-

Determination of total ascorbic acid in fruits,vegetables and derived products-Flourometric method and colorimetric method

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)

本标准规定了用荧光法和2，4一二硝基苯肼比色法测定抗坏血酸。 本标准适用于蔬菜、水果及其制品中总抗坏血酸的测定

Method for determination of total ascorbic acid in fruits,vegetables and derived products--Fluorometric method and colorimetric method