Under normal circumstances, the measurement of standard substances is characterized by accuracy, uniformity and stability, so the actual measurement results ca...

The laboratory accreditation requires verification during the standard material period, and the laboratory shall regularly verify the standard material in orde...

The selection of standard sample stability research program is based on the internal mechanism of stability research and analysis. So far, two basic stability...

Standard sample meaning: standard sample is referred to as standard sample or physical standard. It is developed according to the need of implementing and for...

Standard sample is referred to as standard sample or physical standard. It is developed according to the need of implementing and formulating the character st...

A reference substance is a substance or material that has been determined to have one or more sufficiently uniform characteristic values, and is used as a "mea...

A reference substance is a highly uniform, well stable and quantitatively accurate measurement standard, a material or substance with one or more sufficiently ...

Standard products, that is, standard items, are the Chinese medicine standard reference products research center agent as a measure; When used as a drug, it ...

A reference substance is a reference substance used for the determination of content or titer in biological assays, antibiotics or biological drugs, expressed ...