Lead AA Standard,1000 μg/mL in 2-5% Nitric Acid

�?原子吸收标准�?

Tin AA Standard,1000 μg/mL in 2-5% Nitric Acid, tr Hydrofluoric acid

�?原子吸收光谱法标准溶�?

杀虫剂混标20,17 组分, Pesticide Mix 20,10.0 μg/mL in Ethyl acetate

挥发物混�?, Volatiles Mix 1-Calibration Set

Tetrachlorvinphos,1000 μg/mL in Acetonitrile

四氯乙烯�?杀虫畏

农药混标22, Pesticide Mix 22,10 μg/mL in AcCN

多氯联苯混标2, PCB Congener Content Evaluation Mix 2,10 μg/mL in Isooctane

多氯联苯7种混�? Congener Calibration Mix #4,10 μg/mL in Isooctane

多氯联苯9种混�? Congener Calibration Mix #16,10 μg/mL in Isooctane

Ca、Mg、Fe、Na、K混标, Calibration Mix Majors,500 μg/mL in 2-5% Nitric Acid