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TEST TUBE DURAN WITH BEADED RIM
Inspire PFP 5μm 250 x 4.6mm
2 in 1 套装, 1.5ml 11 23 1098, 1000个/包装
黑色 10-425 瓶盖 TAN 聚四氟乙烯/硅树脂 隔垫
HYBRIDISATION BOTTLE, 38 X 273 MM, WITH GL 45 CAP AND SILICONE SEALING, BOROSILICATE GLASS
Boc-L-天冬氨酸4-环己酯
PVC-TUBING,TRANSPARENT, FLEXIBLE, WITH ARMATION, I.D.19 MM,THICKNESS 4 MM
4-Boc-1-哌嗪乙酸
溴酸根离子标液,BrO3-(NaBrO3),100mg/L溶于 H2O
9种阳离子混标(Li，Na，K，NH4，Mn，Ca，Mg，Sr，Ba)100mg/L于0.001mol/L HNO3
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