二羟基二溴联吡啶检测标准

Pure adipic acid--Determination of content of iron--2,2'-Bipyridyl spectrophotometric method

Determination of uranium in soil--CL-5209 extractant-containing resin separation 2-(5-bromo-2-pyridylazo)-5-diethlaminophenol spectrophotometry

Methods of analysis for silver-copper brazing for electronic devices--Determination of tin (spectrophotometric C21H38BrN absorption method)

Methods for chemical analysis of zinc and zinc alloys - Part 1: Determination of aluminum content - Chromazurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry, Chromeazurol S spectrophotometric method and EDTA titrimetry

Silver—Determination of antimony content—2-(5-bromo-2-pyridylazo)-5-diethylaminophenol spectrophotometric method

Nickel--Determination of aluminium content--Chromazurol S-p-octyl polyethylene glycol phenyl ether-tetradecyl phridinium bromine mixed micellar solubilization spectrophotometric method

Maleic anhydride for industrial use－Methods of test－Determination of iron content－2,2′-bipyridyl photometric method

The methods for chemical analysis of zinc and zinc alloys—The determination of aluminum content—The chromazurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometric method and the EDTA titrimetric method

Phthalic anhydride for industrial use－Methods of test－Determination of iron content－2,2′-bipyridyl photometric method

Phthalic anhydride for industrial use — Methods of test — Part 11: Determination of iron content — 2,2'- Bipyridyl photometric method

Boric acid, boric oxide, disodium tetraborates, sodium perborates and crude borates for industrial use — Determination of iron content — 2,2'- Bipyridyl photometric method