Water quality. Determination of the threshold odour number (TON) and threshold flavour number (TFN) Ingestion-build-258901 all dated references have been

all dated references have been changed to undated ones

then they create dangerous conditions for motorists and commuters

spent sulfuric acid

A sample represents the quality of the entire volume of the product under consideration

irrespective of their method of manufacture

Water quality. Determination of the threshold odour number (TON) and threshold flavour number (TFN) Ingestion-build-258901 all dated references have beenWhat is BS EN 1622 Determination of the threshold odour number (TON) and threshold flavour number (TFN) about? BS EN 1622 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