标准号:DIN EN 1622-2006
中文标准名称:水质.气味*限值(TON)和味道*限值(TFN)测定
英文标准名称:Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN); English version of DIN EN 1622:2006-10
标准类型:Z16
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:Z16
国际标准分类号:13.060.60
引用标准:ISO 7393-2
适用范围:This European Standard specifies quantitative methods for determining the TON and TFN of waters and also a qualitative method for determining any abnormal odour and/or flavour. It is essential that the safety remarks in Clause 5 are taken into account.Two quantitative methods are described:— a short method applicable when either a sample has no odour and flavour or when the odour and flavour are to be compared with a specified threshold number;— a full method applicable when the threshold number for the sample is to be determined. For both quantitative methods, two different methodologies are described:— unforced choice in the standard;— forced choice in Annex B.Both methods are applicable for quantifying the odour and flavour of drinking water and/or migration waters from materials in contact with waters.
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