Abstract： AS 5013.4:2021 pdf download.Food microbiology Method 4: Microbiology of food and animal feeding stuffs -Horizontal method for the enumeration of coliforms - Colony-count technique (Iso4832:2006,MOD). 6.10 pH-meter, accurate to ±0,1 pH unit...

AS 5013.4:2021 pdf download.Food microbiology Method 4: Microbiology of food and animal feeding stuffs -Horizontal method for the

enumeration of coliforms - Colony-count technique (Iso4832:2006,MOD).

6.10 pH-meter, accurate to ±0,1 pH unit at 25 °C.

6.11 Loop. of platinum-iridium or nickel-chromium, approximately 3 mm in diameter, or disposable loops.

7 Sampling

Sampling should have been carried out in accordance with the specific International Standard appropriate to the product concerned. If there is no specific International Standard, it is recommended that the parties concerned come to an agreement on this subject.

8 Preparation of test sample

Prepare the test sample in accordance with ISO 6887 (relevant part), ISO 8261 or the specifi International Standard appropriate to the product concerned. If there is no specific International Standard, it is recommended that the parties concerned come to an

agreement on this subject.

9 Procedure

9.1 Test portion, initial suspension and dilutions

Prepare the test portion, initial suspension (primary dilution) and further dilutions in accordance with ISO 6887 (relevant part), ISO 8261 or the specific International Standard appropriate to the product concerned.

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