The internal standard method is the chromatographic analysis of a certain weight of pure substance added as internal standard (see standard bar) a certain amount of analysis of the sample mixture, and then the samples containing the internal standard were measured by the internal standard and analyt

Trademark Law is to be within a certain weight of purely material as a subject within the subject property (see section property) to a quantitative analysis of the samples were found in the mixture, and then the subject property within the samples for testing in chromatographic analysis respectively

The internal standard law is the certain weight pure material in took the code (see also code strip) to add to the ration to analyze in the sample mixture in, then to includes the code sample to carry on the chromatograph analysis in, determines the code separately and treats measures the component

Internal standard method is to a certain weight of pure substance is an internal standard (see marker) added to a certain amount of the mixture in the analysis sample and containing internal standard chromatographic analysis of samples, namely determination of and to be measured compositions of inte