IS 13921 : 1994 Chelated Zinc (Zn-EDTA) Agricultural Grade - Specification

1 Scope

This standard prescribes the requirements and methods ofsampling and test for chelated zinc for agricultural use.

2 References

IS 1070 :1992 Water, reagent grade - Specification

IS 5741 :1970Method for determination of pH (Reaffirmed 1977)

IS 5985 :1985Code of practice for handling and storage ofbagged fertilizers (Reaffirmed 1990)

IS 6092 : Part 1 :1985 Methods of sampling and test forfertilizers :Part 1 Sampling (Reaffirmed 1990)

IS 7017 : 1973 Methodof calorimetric determination of tracesof heavy metals by dithizone (Reaffirmed 1991)