论文部分内容阅读
目前,瓶装天然矿泉水菌落总数的测定主法按照GB4789—84检验方法进行,其培养时间为24±2h。我们发现在其他条件相同情况下,因培养时间长短不同,结果相差很大。1 结果与方法1.1 操作方法:按GB4789—84检验方法进行菌落总数测定,用菌落计数器计数。1.2 检样:瓶装天然矿泉水。
At present, the determination of the total number of bottled natural mineral water colony according to GB4789-84 test method, the incubation time of 24 ± 2h. We found that under the same conditions of other conditions, the results vary greatly due to the different incubation periods. 1 Results and Methods 1.1 Methods of Operation: According to GB4789-84 test method for colony count, colony counter count. 1.2 Sampling: Bottled natural mineral water.