Certified Reference Materials (ISO 17034)

Chemical Composition of Sichuan Rich-selenium Rice

GBW(E)100985

Chemical Composition of Liaoning rice

GBW(E)100983

Chemical Composition of Celery

GBW10297

Chemical Composition of Jasmine

GBW10302

Chemical Composition of Peanut Meal

GBW10307

Chemical Composition of German Milk Powder

GBW10309

Chemical Composition of Cabbage

GBW10298

Chemical composition of onion

GBW10300

Chemical Composition of Nori

GBW10313

Chemical Composition of Needle Mushroom

GBW10315

Chemical Composition of Root Starch

GBW10317

Chemical composition of notoginseng

GBW10319

Chemical Composition of Soybean Meal

GBW10306

Chemical Composition of Pearl Powder

GBW10320

Chemical Composition of Croaker

GBW10321

Chemical Composition of Henan Tobacco

GBW10304

Chemical Composition of Protein Powder

GBW10308

Chemical Composition of Beef Powder

GBW10310

Chemical Composition of Pig Concentrated Feed

GBW10311

Chemical Composition of Poplar Leaves

GBW10303

As standard solution

GBW(E)086360-20ML

CAS 7440-38-2

Chemical Composition of Green Tea(High-mountain Tea)

GBW10305

Anilofos in acetone

GBW(E)086388

CAS 64249-01-0

Osmolar concentration reference material (sodium chloride solution)

GBW(E)130987-2ML

CAS 7647-14-5