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Main Products:
Zhongyuan Standard Material Center
No. 98-21 Nanping Road, Erqi District, Zhengzhou City
Water quality suspended matter control sample
Silica standard sample
Liquid chromatography UV detection linear range standard solution
ZBK404 blast furnace slag
Anion standard substance in seawater
Perfluorooctylcarboxylic acid and octylsulfonic acid in soil
Microcystin LR standard sample in methanol
Six benzene derivatives in activated carbon tubes suitable for thermal desorption and solvent desorption
Standard sample for permanganate index of chlorinated water quality
Quality control sample food of ethyl lactate in Baijiu
Metallurgical standard sample of magnetite concentrate
Water turbidity rapid measurement box