PMI QA / QC的DNPH羰基衍生物标准品, PMI QA/QC Carbonyl DNPH Derv.,250 μg/mL in Acetonitrile

METHOD 1668 特定PCB氯化水平校准混标的套标(含M-1668A-NAT,M-1668A-PAR), Chlorination Calibration Spike Set

方法200.7校准标准品-修订版4.41994年5月, Method 200.7 Calibration Standard 3,Varied conc. in 2-5% Nitric Acid

方法200.7仪器性能检测- 校正4.41994年12月, Method 200.7 Instrument Fortifying Solution,Varied conc. in 2-5% Nitric Acid, tr Hydrofluoric acid

同位素标准溶液#1方法200.7(1991), Spiking Std #4 Method 200.7 (1991),200 μg/mL in Water, tr Nitric acid

三卤代甲烷混标, Trihalomethanes Mix,2.0 mg/mL in MeOH

Bromodichloromethane,2.0 mg/mL in MeOH

一溴二氯甲烷

1,4-Dichlorobenzene,2.0 mg/mL in MeOH

对二氯苯

2,2-Dichloropropane ,2.0 mg/mL in MeOH

2,2-二氯丙烷

标准品, Method 502-Volatiles Set (Modified)