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290mOsm/Kg H2O 渗透压 标准品
磺胺喹噁啉钠
Organotin Analysis KIT (includes all the compounds, solutions when available, includes 1944.8 as nea
3-吲哚丁酸-AR,无证书
o,p'-Methoxychlor
a,a,a-Trifluorotoluene 标准品
茶叶中的氯氰菊酯、高效氯氰菊酯、毒死蜱质控样
氧化萎锈灵
Triamylamine (无证书)
ASTRAGALIN(KAEMPFEROL-3-O-GLUCOSIDE)(P) 标准品