MS 1004-1986

标准号：MS 1004-1986
发布日期：1986/1/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：1.1 This Malaysian Standard prescribes methods for the determination of tin. lead, antimony, copper, bismuth, zinc, iron, aluminium, arsenic and silver found in various grades of soft solder covered by MS 870*.1.2 The analytical procedures appear in the following order:ClauseTin by the nickel coil reduction method 4Lead by the photometric dithizone method **ntimony by the volumetric potassium bromate method 6Copper by the photometric cupric bromide method 7Bismuth by the photometric thiourea method 8Zinc by the photometric dithizone method 9Iron by the photometric ortho-phenanthroline method 10Aluminium by the photometric method 11Arsenic by the photometric molybdenum blue method 12Silver by the titrimetric ammonium thipcyanate method 13Spectrographic analysis by the powder technique 14