GB/T 11897-1989

Water quality--Determination of free chlorine and total chlorine--Titrimetric method using NN-diethyl-14-phenylenediamine

STANDARD published on 3.11.1989

English, Chinese -
electronic design (pdf) (248.80 USD)

English, Chinese -

Print design (248.80 USD)

The information about the standard:

Designation standards: GB/T 11897-1989
Publication date standards: 3.11.1989
Country: Chinese technical standard
Category: Technical standards GB