G64 - Reagent and substance of high purity

DB51/T 2004-2015 in English

VALID

Issued on:2015-07-08 | Implemented on:2016-01-01

GB/T 30301-2013 in English

General Rule for Test Methods of Highly Purified Reagents

VALID

Issued on:2013-12-31 | Implemented on:2014-08-01

HG/T 2409-1992 in English

Determination of Isocyanate Group Content in Polyurethane Performed Polymer

SUPERSEDED

Issued on:1992-10-22 | Implemented on:1994-12-01

GB 2303-1980 in English

Very pure hydrofluoric acid

VALID

Issued on:- | Implemented on:1981-09-01

GB 2302-1980 in English

Very pure glacial acetic acid

VALID

Issued on:- | Implemented on:1981-09-01

GB 2301-1980 in English

Very pure ammonium fluoride

VALID

Issued on:- | Implemented on:1981-09-01

GB 2300-1980 in English

Very pure 30% hydrogen peroxide

VALID

Issued on:- | Implemented on:1981-09-01

GB 2299-1980 in English

Very pure boric acid

VALID

Issued on:- | Implemented on:1981-09-01

GB 2090-1980 in English

Chemical reagents--Very pure aqueous ammonia

VALID

Issued on:- | Implemented on:1981-07-01