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2022

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Quality index of chemical reagent

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Chemical reagent quality level complex, numerous varieties, especially chaos. General conventional variety (a kind of reagent) is the essential variety, there are 225 kinds, in the Beijing, Tianjin, Shanghai, Xi 'an, Chengdu, Guangzhou, Shenyang chemical reagent base basically complementary production. The second type of reagent is almost used in all fields, and is also a necessary variety for manufacturers. There are about 1800 ~ 2000 varieties. This kind of reagent is in great demand and widely used. There are about 3000 ~ 6000 kinds of reagents, and most of them are related to the national economy and people's livelihood, such as chemical industry, metallurgy, electric power, food, medicine and health industry specific use of industrial reagents.

In our country, there are 225 kinds of chemical reagents expressed by three levels of excellent purity, analytical purity and chemical purity, according to the national standard of the People's Republic of China and the original standard of Ministry of Chemical Industry. These 225 chemical reagents in the standard FORM STIPULATE THE BASIS OF THE chemical reagent content in our country. The content determination of other chemicals is based on this, through the determination to determine its content. Therefore, the quality of these chemicals is very important. At the same time, these 225 chemicals are so versatile that they become basic. These 225 varieties are listed in the chemical reagent catalogue. In addition, there are special reagents, the production is very small, almost on demand, the quantity is generally specified by the user.

CONTACT

天津化工

地址:

天津市天津市河西区河西区西园西里(西园道北100米)

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山东化工

地址:

山东省济南市历下区历下区百合园(商业北街北)

隐藏域元素占位

Zhaobo Chemical - Tianjin Head Office

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Address: XEDA Sci-Tech Park,Xiqing Economic-Technological Development Area,Tianjin,China.

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