标准品, ASTM/EPA Gasoline Refinery Daily Quality Control Standard,Varied conc. by weight

标准品, ASTM/EPA Gasoline Refinery Daily Quality Control Standard,Varied conc. by %w/w

ASTM D5580-5种配气相位校准混标(不含内标), D-5580 Valve Timing Solution w/o Internal Standard,Varied conc. by weight

ASTM D5599天然气中含氧物质校正标准品(不含内标), ASTM/EPA Gasoline Refinery Oxygenates Calibration Kit

EPA OFID-掺加溶液4种混标, EPA OFID Spiking Solution,Varied conc. by %w/w

标准品, Oxygenates Refinery Standard Daily QC/Internal Std,Varied conc. by %w/w

2,4-二氯苯氧乙酸 &2,4,5-涕丙酸-2种混标, 2,4-D &2,4,5-TP,50 μg/mL in MeOH

MISA-萃取物,酸-8种混标, Group 19-Extractables, Base Neutral,2.0 mg/mL in CH2Cl2

7种苯系物混标(HJ400-2007,苯/甲苯/乙苯/邻二甲苯/间二甲苯/对二甲苯/苯乙烯), Group 17-Volatiles, Non-Halogenated,0.5 mg/mL in MeOH

2'-甲氧基-4-溴联苯醚, 2'-Methoxy-4-monobromodiphenyl ether ,50 μg/mL in Methanol