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4-甲基咪唑标准品
4-氯-3-氟苯甲酸
Perfluorodecanoic acid标准品
乳粉中沙门氏菌(阴性)质控样
量筒刷
ISO Guide 34 - Rubidium 1,000 mg/L in 1% HNO3 100 ml (Rb2CO3)
细菌坩埚
Frit PEEK Grn 2μm ?.624 x .070 x ?.750
LIDS, FLAT FLANGE, WITH CENTER NECK GL 25 AND 1 ANGLED NECK GL 18 15° DN 60
PVDF针式滤器,0.2 um,13 mm