Standard solution refers to a reagent solution with an accurate known concentration, and titrators are commonly used in titration analysis. In other analytica...

Pesticide residue refers to any specific substance that occurs in food, agricultural products and animal feed as a result of the use of pesticides, including p...

Environmental testing reference material is also known as environmental standard reference material. A reference substance similar in composition and properti...

In the 1980s, the development of standard substances has entered the stage of universal promotion and use all over the world. Environmental reference material...

The English name of the standard sample has been officially determined as Reference material(referred to as RM) since 1978. The original meaning is a refe...

The standard sample is the physical standard, it is another form of the standard, and the text standard together can form a complete standard. Nowadays, peopl...

Can't standard, control, quality control and reference products be distinguished? The following is a small edition of Bolinda to give you a detailed introduc...

There are many varieties of reference products, and there are certain requirements for its preservation methods, generally speaking, the reference products sho...

Standard products and reference products refer to the standard substances used in the national drug standards for identification, inspection, content determina...