GSO ISO 16649-1:2014
食品和動物飼料微生物學陽性大腸桿菌β 葡萄糖醛酸酶水平計數(shù)法 第1部分：44℃下5-溴 4-氯 3-吲哚基β D-葡萄糖醛酸菌落計數(shù)方法
Microbiology of food and animal feeding stuffs -- Horizontal method for the enumeration of beta-glucuronidase-positive Escherichia coli -- Part 1: Colony-count technique at 44 degrees C using membranes and 5-bromo-4-chloro-3-indolyl beta-D-glucuronide