NF T90-037

NF T90-037

October 1987
Standard Cancelled

Water analysis. Determination of free chlorine and total chlorine. Titrimetric method using N, n-diethylphenylene-1,4 diamine.

La présente norme française s'adresse aux laboratoires ayant à doser le chlore dans la plupart des eaux. Elle est susceptible de servir de base de référence dans la réglementation française relative à la qualité des eaux, notamment celle concernant les eaux destinées à la consommation humaine et les eaux de piscine.

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Main informations

Collections

National standards and national normative documents

Publication date

October 1987

Number of pages

12 p.

Reference

NF T90-037

ICS Codes

13.060.50   Examination of water for chemical substances

Classification index

T90-037

Print number

1 - 01/09/1987

International kinship

ISO 7393-1:1985
Sumary
Water analysis. Determination of free chlorine and total chlorine. Titrimetric method using N, n-diethylphenylene-1,4 diamine.

La présente norme française s'adresse aux laboratoires ayant à doser le chlore dans la plupart des eaux. Elle est susceptible de servir de base de référence dans la réglementation française relative à la qualité des eaux, notamment celle concernant les eaux destinées à la consommation humaine et les eaux de piscine.
Replaced standards (1)
T90-037
April 1984
Standard Cancelled
Water analysis. Determination of free chlorine and total chlorine. Titrimetric method using N, N-diethylphenylene-1,4 diamine.

Standard replaced by (1)
NF EN ISO 7393-1
March 2000
Standard Current
Water quality - Determination of free chlorine and total chlorine - Part 1 : titrimetric method using N, N-diethyl-1,4-phenylenediamine

Specifies a procedure for water. Sea water and waters containing bromides and iodides comprise a group for which special procedures are required. The procedure is applicable to concentrations, in terms of chlorine, from 0,000 4 to 0,07 mmol/l total chlorine and at higher concentrations by dilution of samples. Several compounds influencing the procedure are noted.

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