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NS EN ISO 6222 Ed. 1 (1999)現(xiàn)行

Water Quality - Enumeration Of Culturable Micro-organisms - Colony Count By Innoculation In A Nutrient Agar Culture Medium

出版：Norwegian Standards (Norges Standardiseringsforbund)

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基本信息

標準編號： NS EN ISO 6222 Ed. 1 (1999)

標準類別：Standard

出版單位：Norwegian Standards (Norges Standardiseringsforbund)

標準頁數(shù)：0

標準簡介

Defines a procedure for enumerating culturable micro-organisms in water by counting the colonies formed in a nutrient agar culture medium, following aerobic incubation at 36 deg C and 22 deg C. Meant to measure the operational efficiency of the treatment process of public drinking water supplies and for generally applying to all kinds of water. Especially applies to the examining of water for human consumption, including water in closed containers and natural mineral waters.

標準備注

Supersedes NS 4791. (07/2000)

本標準替代的舊標準

NS 4791:1990

等同采用的國際標準

NEN EN ISO 6222:1999 - Identical

SS EN ISO 6222 Ed. 1 (1999) - Identical

UNE EN ISO 6222:1999 - Identical

I.S. EN ISO 6222:1999 - Identical

ISO 6222:1999 - Identical

UNI EN ISO 6222:2001 - Identical

NF EN ISO 6222:1999 - Identical