IS 1345-1960

标准号：IS 1345-1960
发布日期：1960/8/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：1.1 This standard covers the methods of chemical analysis of different grades of printing metal and the methods deal with the determination of tin, antimony, iron copper, arsenic, nickel, aluminium and zinc as specified in *IS : 1357-1959. Lead is determined by difference.1.2 The following is the index to the methods of analysis of the elements covered under the scope of this standard:Item No.9a) Aluminium — by the Aluminon ( Photometric ) Method .. 9b) Antimony — by the Potassium Bromate Method ... ... 5c) Arsenic — by the Distillation (Iodimetric ) Method ... 7d) Iron and Copper — by the Photometric Method ... ... 6e) N ickel— by the Dimethylglyoxime ( Photometric ) Method ... 8f) Tin—by the Iodimetric Method ... ... ... ... 4g) Zinc — by the Polarographic ( Referee) Method ... ... 10h) Zinc — by the Photometric (Alternate) Method ... ... 11