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Reference 11 perfluorinated compound quality control samples in water BWQ0732-2016COA 10.9μg/L100.1ng/L View product
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Reference Dimethyl ether in methanol BWQ0735-2016CAS 115-10-6COA 100μg/mL500μg/mL2000μg/mL View product
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Reagent Portable spectrophotometric determination kit for hexavalent chromium BWS3076COA View product