IS 8769 : 1978 Method of determination of ash and sulphated ash

1 Scope

1.1 This standard prescribes the methods for the determinationof ash and sulphated ash.

1.1.1 The method outlined does not take into account anyspecific requirement in selected cases. Additional instructions inthis respect are covered in the relevant Indian Standards.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 266 : 1961Specification for sulphuric acid

IS 1070 : 1977Specification for water for general laboratory use