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乙醛,40%水溶液(NA) AR(天津)
APHERA C18 POLYMER HPLC COL 5UM 25X4.6 &
组装式滴定管,PTFE滴定阀,SILBERBRAND, 50:0.1 ml,AR-GLAS 玻璃,Schellbach stripes标记
Silicone Peroxyde(Type K)ID 9.5mm OD 15.9mm/reel of 7.5m 96400-73
ASTM D5769 Aromatics in Finished Gasoline Cal. Std. #2 w/o IS, (RM, ISO GUIDE 34)标准品
1761微量凯氏蒸馏器主体
万通离子色谱柱,Metrosep A Supp 3 - 250/4.6
HYPERSIL GOLD 5UM 10X1MM DROP-IN GUARDS 4/PK
LABORATORY BOTTLE WIDE NECK, 2000 ML, DIN THREAD GL 100, BORO. 3.3, WITH GRADUATION, AUTOCLAVABLE,
阀