Food additives and Limited Components

Stream Sediment

RoHS

Animal Derived Products

Alcohol

Nutritional and Functional Components

Metals

Nonmetals and Others

GBW(E)100012  

GBW(E)100013  

GBW10043   Certified Reference Matherials for the Chemical Composition of Biological Sample

GBW07409   Soils

GBW(E)081019  

GBW(E)080264   NO3- in Water

GBW07410   Soils

GBW07410   Soils

GBW09152   Inorganic Components in Frozen Human Serum

GBW(E)080203  

GBW10044   Certified Reference Matherials for the Chemical Composition of Biological Sample

GBW(E)080435   Dihydrogen Phosphate in Water

GBW08603   Mercury in Water

GBW(E)080128   Standard Solution of Ni

GBW08605   Arsenic in Water

GBW(E)081063   Chlorinated hydrocarbons in methanol

GBW10006   CRM for Iodine in Refined Salt

GBW06109   Potassium Chloride （AssayStandard for Chloride）