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RAKA-RAY 琼脂配套试剂
2-氟-6-甲基苯腈
BETASIL PHENYL 5UM 150X2.1MM COLUMN
四氢香叶醇
样品瓶恒温模块 21mm 9孔
熔点毛细管
250ml棕色中大口瓶
窄口瓶,Teflon*PFA;Teflon*PFA螺旋盖,1000ml容量
LABORATORY BOTTLE WIDE NECK, 20000 ML, DIN THREAD GL 100, BORO. 3.3, WITH GRADUATION, AUTOCLAVABLE
(定制产品)7种元素ICP-MS混标,Ge/Bi/In/Sc/Y/Rh/Li,100mg/L溶于5% HNO3