HB/Z 5218.15-2004 Methods for chemical analysis of aluminium alloys-Part 15:Determination of zirconium content by xylenol orange spectrophotometric method

HB/Z 5218.1-2004 Methods for chemical analysis of aluminium alloys-Part 1:Determination of copper content by BCO spectrophotometric method HB/Z 5218.2-2004 Methods for chemical analysis of aluminium alloys-Part 2:Determination of copper content by iodimetric method HB/Z 5218.3-2004 Methods for chemical analysis of aluminium alloys-Part 3:Determination of iron content by o-phenanthroline spectrophotometric method HB/Z 5218.4-2004 Methods for chemical analysis of aluminium alloys-Part 4:Determination of manganese content by potassium periodate spectrophotometric method HB/Z 5218.5-2004 Methods for chemical analysis of aluminium alloys-Part 5:Determination of silicon content by gravimetric method HB/Z 5218.6-2004 Methods for chemical analysis of aluminium alloys-Part 6:Determination of silicon content by silicon-molybdenum blue spectrophotometric method HB/Z 5218.7-2004 Methods for chemical analysis of aluminium alloys-Part 7:Determination of magnesium content by cupral separation-EDTA volumetric method HB/Z 5218.8-2004 Methods for chemical analysis of aluminium alloys-Part 8:Determination of titanium content by diantipyryl methane spectrophotometric method HB/Z 5218.9-2004 Methods for chemical analysis of aluminium alloys-Part 9:Determination of zinc content by tri-n-octylamine extraction EDTA volumetric method HB/Z 5218.10-2004 Methods for chemical analysis of aluminium alloys-Part 10:Determination of zinc content by dithizone extraction separation-polarographic method HB/Z 5218.11-2004 Methods for chemical analysis of aluminium alloys-Part 11:Determination of nickel content by dimethylglyoxime separation-EDTA volumetric method HB/Z 5218.12-2004 Methods for chemical analysis of aluminium alloys-Part 12:Determination of nickel content by dimethylglyoxime extraction spectrophotometric method HB/Z 5218.13-2004 Methods for chemical analysis of aluminium alloys-Part 13:Determination of total rare earth contents by oxalate gravimetric method HB/Z 5218.14-2004 Methods for chemical analysis of aluminium alloys-Part 14:Determination of the cerium subgroup of rare earth elements content by tribromoarsenazo spectrophtometric method HB/Z 5218.16-2004 Methods for chemical analysis of aluminium alloys-Part 16:Determination of zirconium content by quercetin spectrophotometric method HB/Z 5218.17-2004 Methods for chemical analysis of aluminium alloys-Part 17:Determination of lead content by polarographic method HB/Z 5218.18-2004 Methods for chemical analysis of aluminium alloys-Part 18:Determination of chromium content by ammonium ferrous sulfate volumetric method HB/Z 5218.19-2004 Methods for chemical analysis of aluminium alloys-Part 19:Determination of chromium content by diphenylcarbazide spectrophotometric method HB/Z 5218.20-2004 Methods for chemical analysis of aluminium alloys-Part 20:Determination of tin content by phenyl fluorone spectrophotometric method HB/Z 5218.21-2004 Methods for chemical analysis of aluminium alloys-Part 21:Determination of beryllium content by berylliumⅡspectrophotometric method HB/Z 5218.22-2004 Methods for chemical analysis of aluminium alloys-Part 22:Determination of boron content by carmine spectrophotometric method HB/Z 5218.23-2004 Methods for chemical analysis of aluminium alloys-Part 23:Determination of vanadium content by N-benzoyl-N-phenylhydroxylamine extraction spetrophotometric method HB/Z 5218.24-2004 Methods for chemical analysis of aluminium alloys-Part 24:Determination of copper content by electrolytic gravimetric method HB/Z 5218.25-2004 Methods for chemical analysis of aluminium alloys-Part 25:Determination of boron content by ion selective electrode method

GB/T 7729-2021 Chemical analysis of metallurgical products—General rule for spectrophotometric methods HB 5421 HB/Z 207-1991 The sampling specifications for chemical analysis of non-ferrous metal materials