ICP7种元素混�? ICP multi-element standard solution XII,1000 μg/mL in 5% Hydrochloric acid, tr Nitric acid, tr Hydrofluoric acid

ICP用离子校准标�? ICP multi-element standard solution XXI for MS,10 μg/mL in 2-5% Nitric Acid

标准�? ASTM/EPA Gasoline Refinery Aromatics Standard,Varied conc. by w/w/% in Isooctane

标准�? ASTM/EPA Gasoline Refinery Aromatics Calibration Set

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

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

标准�? EPA OFID Quantitative Calibration Set

标准�? 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�?2种混�? 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