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甲醇中19种磺胺类混标溶液(181种兽残检测标准品),100μg/mL 广电计量
酸性红95
EPA 502.2 60种VOC混标,2.0mg/ml于甲醇(5×1ml) 标准品
2-Fluoronaphthalene Solution 2000ug/ml in Methylene chloride
环苯达唑溶液,100ppm
2.2'.4.4'.6.6'-Hexachlorobiphenyl Solution 100ug/ml in Hexane (无证书)
2-Ethoxy-1-methylethyl acetate 标准品
三嗪氟草胺
PUNYW25938540 Thiotepa Impurity 4
A0303129 氧丰索磷砜 CAS号50-33-9