Where can I buy reference materials? National standard
Where can I buy reference materials? I believe that most of the laboratory personnel who have purchased reference materials have this question, because there are a lot of websites selling reference materials online now. But don't worry now, the National Standards Network has sorted out the purchase channels of reference materials currently on the market, which can be seen in detail:BW3627-2 bovine serum albumin solution standard substance 7mL/bottle
BW3627-1 bovine serum albumin solution standard substance 7mL/bottle
GBW11129 Coal ash composition analysis reference material 30 g
GBW (E)080299 Sulfate Component Analysis Standard in Water 30mL
GBW (E)080359 Zirconium Spectroscopic Analysis Solution Reference Materials 30mL
GBW (E)082212 Standard for decabromobiphenyl solution in isooctane 1mL/bottle
GBW (E)081408 trichlorfon solution reference material 1mL/piece
GBW (E)081413 Quinathion Solution Reference Material 1mL/piece
GBW (E)081419 Parathion solution reference material 1mL/Ω(100μg/mL)
GBW (E)081428 diethoate solution standard substance 1mL/piece
GBW (E)081429 Oloxide solution standard substance 1mL/piece
GBW (E)081430 Fosphos solution standard substance 1mL/piece
GBW (E)081431 Pyrifos (Pyrifos) Solution Standard 1mL/piece
GBW (E)081432 Daofengsan Solution Reference Material 1mL/piece
GBW10045（GSB-23） Rice biological component analysis standard material 35g
GBW (E)080470 Standard substance of phenol solution in methanol 2mL
GBW07412a Standard for analysis of soil active components 500g，1000g
BW3450 Standard substance of formaldehyde solution in water 2mL
GBW07455(GSS-26) Soil Component Analysis Standard Material 70G/bottle
GBW07454(GSS-25) Soil composition of Luochuan loess in Shaanxi Province 70G/bottle
gbw07449 Soil formation of brown desert soil in Haiyan County, Qinghai Province 70G/bottle
GBW07446(GSS-17) Soil formation of Wulat sandy soil in Inner Mongolia 70G/bottle
GBW07448(GSS-19) Soil composition of brown desert in Haiyan County, Qinghai Province 70G/bottle
GBW07456(GSS-27) Soil composition of Zhangjiagang Yangtze River sediments 70G/bottle
gbw07101 Ultrabasic rock composition analysis reference material 150g
SB05-208-2008 Solution standard substance in quinoethanol in water 100ug/ml,1ml
GBW (E)060311 Ethylenediaminetetraacetic acid (EDTA) disodium purity 50G/bottle
GBW (E)060310 Zinc oxide purity reference material 50g/
GBW (E)130424 (CD) Atomic Absorption Spectrophotometer 90mL
GBW (E)130423 (Cu) Atomic Absorption Spectrophotometer 90mL
GBW (E)130381 Quinine sulfate-perchloric acid solution standard 5mL/piece
GBW (E)130380 Quinine sulfate-perchloric acid solution standard 5mL/piece
GBW (E)130379 Naphthalene-methanol solution reference material (GB) 5mL/piece
GBW (E)130378 Naphthalene-methanol solution reference material (GB) 5mL/piece
GBW (E)130377 Naphthalene-Methanol Solution Reference Material 5mL/piece
GBW (E)130376 Propanehexahexane Solution Standard in Isooctane 2mL/Ω(0.1μg/mL)
GBW (E)130375 Methyl Parathion Solution in Anhydrous Ethanol 2mL/Ω(10μg/mL)
GBW (E)130374 Standard for n-hexadecane solution in isooctane 2mL/piece
GBW (E)082092 Cyfluthrin in petroleum ether 1mL/Ω(100μg/mL)
GBW (E)082091 High Efficiency Cyfluthrin Solution in Petroleum Ether 1mL/Ω(100μg/mL)
GBW (E)082090 Pyridazinon Solution Standard in Acetone 1mL/Ω(100μg/mL)
GBW (E)082089 Standard for Trichofos Methyl Solution in Acetone 1mL/Ω(100μg/mL)
GBW (E)082088 Chlorazophos Solution Reference Material in Acetone 1mL/Ω(100μg/mL)
GBW (E)081914 Standard of hexachlorobenzene solution in n-hexane 1mL/Ω(100μg/mL)
GBW (E)081913 Standard of phenylmethoxazole solution in acetone 1mL/Ω(100μg/mL)
GBW (E)081912 Standard substance of fenugreek solution in methanol 1mL/Ω(100μg/mL)
GBW (E)081911 Methylthiophenesulfuron Solution Standard in Acetone 1mL/Ω(100μg/mL)
GBW (E)081910 Versatile Solution Reference Material in Ethanol 1mL/Ω(100μg/mL)
GBW (E)081909 Ethephon solution standard substance in ethanol 1mL/Ω(100μg/mL)
GBW (E)081908 Ethanol Nakano Swallow Solution Reference Material 1mL/Ω(100μg/mL)
GBW (E)081907 amethrin solution standard in n-hexane 1mL/Ω(100μg/mL)
GBW (E)081906 Isoprolon Solution Reference Material in Methanol 1mL/Ω(100μg/mL)
GBW (E)081905 Standard substance of imidacloprid solution in ethanol 1mL/Ω(100μg/mL)
GBW (E)081904 Chlorosulfuron Solution Standard in Acetone 1mL/Ω(100μg/mL)
GBW (E)081903 Sulfuron Solution Standard in Acetone 1mL/Ω(100μg/mL)
GBW (E)081902 Chlorsulfuron Solution Reference Material in Acetone 1mL/Ω(100μg/mL)
GBW (E)081901 Chloridine in Acetone Solution Standard Material 1mL/Ω(100μg/mL)
GBW (E)081900 Benzenesulfuron Solution Standard Material in Acetone 1mL/Ω(100μg/mL)
GBW (E)081899 Dactyl solution standard substance in acetone 1mL/Ω(100μg/mL)
GBW (E)081898 Propofos in Methanol Solution Reference Material 1mL/Ω(100μg/mL)
