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4,4'-Diamino-3,3'-dimethyldiphenyl methane

六价铬水质标液(浓度1000µg/ml)

Potassium phosphate tribasic, 98.5%

Famoxadone 10 µg/mL in Cyclohexane

6种邻苯二甲酸酯类同位素混标 Mix-6 100ug/ml in Methanol

Phthalic acid. bis-iso-butyl ester

硼水质标液(浓度1000ug/mL)

Proteinase K Solution

5μm ID4.6mm*250mm

Coumaphos ,1000 μg/mL in Hexane:Acetone (98:2)

Fatty Acid Mix 40(C4-C24)

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