MICROBIOLOGY OF FOOD AND ANIMAL FEEDING STUFFS - PREPARATION OF TEST SAMPLES, INITIAL SUSPENSION AND DECIMAL DILUTIONS FOR MICROBIOLOGICAL EXAMINATION - PART 1: GENERAL RULES FOR THE PREPARATION OF THE INITIAL SUSPENSION AND DECIMAL DILUTIONS (ISO 6887-1:1999)
食品和动物饲料的微生物学.微生物检验用试样、初始悬浮液和十进制稀释液的制备.第1部分:初始悬浮液和十进制稀释液制备的一般规则(ISO 6887-1-1999)