標準號：IS 1345-1960
發布日期：1960/8/1 12:00:00
實施日期：1999/12/31 12:00:00
適用范圍：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