Reference product and reference product are two different concepts, which have been clearly defined in the Chinese Pharmacopoeia: the reference product refer...

Reference products as a laboratory is often used in the substance, its use is very wide, because the number of reference products is very large, so in the sele...

Reference product is the material basis of national drug standards, it is a special measure used to check the quality of drugs; It is the benchmark for measur...

Reference products refer to standardized substances used for identification, inspection and content determination, which are prepared, calibrated and supplied ...

Standard products and reference products refer to the standard substances used for identification, inspection and content determination, which are prepared, ca...

The code name of the first national standard material (NSM) is the code name of the first national standard material (NSM) with the prefix of "Guo", "B...

A reference material is a material or substance that has one or more sufficiently uniform and well defined properties for the purpose of calibrating a measurin...

The so-called reference material refers to the measurement standard with accurate quantity value, which is widely used in many fields, such as chemical measure...

A material or substance having one or more characteristic values that are sufficiently uniform and well determined to be used for calibrating equipment, evalua...