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

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

标准品, EPA OFID Quantitative Calibration Set

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

12种氯苯类混标, Group 23-Extractables, Neutral Chlorinated,2.0 mg/mL in CH2Cl2

标准品, 4'-Methoxy-2,4-dibromodiphenyl ether,10 μg/mL in Methanol

2'-甲氧基-2,4,4-三溴联苯醚, 2'-Methoxy-2,4,4'-tribromodiphenyl ether ,50 μg/mL in Methanol

5'-甲氧基2,3',4,6-四溴二苯醚, 5'-Methoxy-2,3',4,6-tetrabromodiphenyl ether,50 μg/mL in Methanol

4'-甲氧基-2,3',4,5',6-五溴二苯醚, 4'-Methoxy-2,3',4,5',6-pentabromodiphenyl ether,50 μg/mL in Methanol