Request a Demo
This is the exposure draft of revision of GB 5009.89-2016. Compared with GB 5009.89-2016, requirements for microplate method and adjusting pH after sample treatment in the second method were added. The concentration range, precision and limit of quantitation of of the standard curve in the second method were modified.
It includes scope, principle, reagent and materials, apparatus and equipment, analysis steps, formulation of the result, accuracy and others.
