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标样-锡标准品,有证书
Aminoguanidine nitrate dihyrate (无证书)
TECTOCHRYSIN(RG) 标准品
15种半挥发性有机物混标
Diethylene Glycol Monoethyl Ether
First Standard® 甲醇中10种氨基甲酸酯类杀虫剂混标溶液(NYT 761-2008),100μg/mL
甲苯磺丁脲-D9 溶液, 100ppm
First Standard® 甲醇中噻虫啉溶液,1000μg/mL
ASTM D5599 Oxygenates in Gasoline Cal. Std. #2 w/ IS in Oxygenate Free Gasoline
甲基乙二醛