المعايير

Water quality - Evaluation of membrane filters used for microbiological analyses

2012

رقم المستند: NL ISO 7704 : 2012
القطاع: Food Technology
TC: NL TC 147
ICS: 07.100.20
1.1 This International Standard specifies a method for the evaluation and comparison of water-testing membrane filters intended for the enumeration of specific organisms and mixed microbial populations. 1.2 The method provides general guidelines for comparative testing of the recoveries of bacteria, yeasts and other fungi on membrane filters, as compared to recoveries by the spread plate and pour plate techniques.