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Potassium hydroxide

NO3--N in Water

Mix of Zr，Hf，W，Mo，Ta，Nb，Ti

Multi-element mixed standard solution (mix)

Imidacloprid solution

4-(DIMETHYLAMINO)PHENYLDIPHENYLPHOSPHINE

Allura Red AC standard

Erythrosin B solution

Gossypol solution

Diisononyl phthalate

Demeton-s-methyl in acetone

Dimethoate in acetone

α-BHC in Petroleum ether

Styrene solution

Ethylacetate solution

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