天气预报15天查询> 其他> 白酒中掺糖如何检测

白酒中掺糖如何检测

更新时间: 2020-07-11 00:00:00     

利用硫酸检测。

1、检测原理:白酒中的蔗糖与乙醇液作用,加入硫酸后,则两相界面产生紫色环;

2、所需试剂:15%乙醇溶液,浓硫酸;

3、操作方法:取酒样lmL,置于洁净的试管中,加入15%乙醇溶液2滴,摇匀,沿管壁缓缓加入浓硫酸lmL,如两相界面之间呈现紫色环,则说明含糖,正常白酒其界面应为黄色或无色。

关键词: 白酒 如何 检测

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-182665/ | 耗时:0.1581 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=182665 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=182665 LIMIT 0,1
select * from tbl_Articles_sphinx where id=182665 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1609567,209900,407747,1098967,1865538,2977927,2783282,351680,1475626,186466,258844,1122956,1101193,877126,1043361,2662965,148380,1111368,1978650,1102424,189148,137287,339101,2833742,211396,2171741,355768,1074298,492167,1076135) ORDER BY field (ArticleID,1609567,209900,407747,1098967,1865538,2977927,2783282,351680,1475626,186466,258844,1122956,1101193,877126,1043361,2662965,148380,1111368,1978650,1102424,189148,137287,339101,2833742,211396,2171741,355768,1074298,492167,1076135)