Reaffirmed 2021

Revised Standard from Last Update.

1. SCOPE

This standard prescribes the requirements and the methods of sampling and test for ferric chloride, technical, chiefly used as coagulant in water purification, in the manufacture of glycerine, in etching glass plates and in photo-engravings.

2. REFERENCES

The standards listed in Annex A contain provisions, which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards listed in Annex A.