IS 998 : Part 2 : 1983 Methods of chemical analysis of solders (soft and rosin cored) Part 2 Determination of iron,copper and arsenic

1 Scope

1.1 This standard (Part 2) covers methods of chemical analysis of iron,copper and arsenic in lead and tin base solders (see IS : 193-1982 and IS :1921-1975) having chemical composition within the following range:

Constituent   Percent

Iron          0.02 Max

Copper        0.01 to 0.2

Arsenic       0.05 Max

2 References

IS 2 :1960 Rules for rounding off numericalvalues

IS 193 : 1982 Specification for soft solder

IS 264 :1976 Specification for nitric acid

IS 265 :1976 Specification for hydrochloric acid

IS 266 :1977 Specification for sulphuric acid

IS 1070 :1977 Specification for water for general laboratory use

IS 1921 :1975 Specification for rosin-cored solder wire