EPA方法624-31种混�? Purgeables-EPA Method 624,0.2 mg/mL in MeOH

EPA方法624-3种混�? 4-Bromofluorobenzene/ Fluorobenzene/ Pentafluorobenzene Std.,20 mg/mL in Methanol

4,4'-Dibromobiphenyl,0.2 mg/mL in CH2Cl2

4,4'-二溴联苯

Merphos,1000 μg/mL in Hexane

�?中性萃取物混标1, Base/Neutral Extractables Mix 1,0.5 mg/mL in CH2Cl2

�?中性萃取物混标4, Base/Neutral Extractables Mix 4,0.5 mg/mL in CH2Cl2

农药萃取物混�? Pesticide Extractables Mixture,20 μg/mL in MeOH

Carbaryl,0.1 mg/mL in Acetonitrile

非草�?TCA, Fenuron-TCA,0.1 mg/mL in Acetonitrile

有机氮农药混�? Organonitrogen Pesticides Mix,0.1 mg/mL in MeOH