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SOLUTION OF PCDD/Fs IN N-NONANE 标准品
METHOXYPHENOL, PARA-(SG) 标准品
Atenolol
Short-chained sterane Kit; includes 0674,0676,0848,0675,0641, all as 100μg/mL
2-Benzyl-2-thiopseudourea hydrochloride (无证书)
GPC标样-羟乙基淀粉(Mw 1631000)(高Mw,支链) 标准品
cis-1.2-Dibenzoylethylene (无证书)
16种多环芳烃混标 (HJ 478-2009 / HJ 647-2013)
野漆树苷
First Standard® 乙腈中灭除威; 二甲威溶液,100μg/mL