空气质量甲醛的测定标准品  Standard for determination of formaldehyde in air quality  1mL  乙酰丙酮分光光度法

固定污染源排气中氰化氢的测定标准品  Standard for determination of hydrogen cyanide in stationary source exhaust  1mL  异烟酸-吡唑啉酮分光光度法

固定污染源废气挥发性有机物的测定标准品  Standard for determination of volatile organic compounds in stationary source exhaust gas  1mL  固相吸附-热脱附/气相色谱-质谱法

环境空气挥发性有机物的测定标准品  Standard for determination of volatile organic compounds in ambient air  1mL  吸附管采样-热脱附/气相色谱-质谱法

环境空气苯系物的测定标准品  Standard for determination of benzene series in ambient air  1mL  活性炭吸附/二硫化碳解吸-气相色谱法

环境空气苯系物的测定标准品  Standard for determination of benzene series in ambient air  1mL  固体吸附/热脱附-气相色谱法

环己烷中石油烃31组份混标  Mixed standard of petroleum hydrocarbon 31 component in cyclohexane  1mL  

正己烷中多氯联苯PCBs12组份混标  Polychlorinated biphenyls (PCBS12) in n-hexane are mixed  1mL  

正己烷中农药17组份混标  The pesticide 17 component in n-hexane is mixed standard  1mL  

二氯甲烷中半挥发有机物10组份混标  Semi - volatile organic compounds in dichloromethane 10 components mixed standard  1mL