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大米粉基质中总砷质控样
双醋瑞因
5-羟基-2-吡啶甲醇
容量瓶,BLAUBRAND , A级,200 ml,Boro 3.3, 凸缘瓶口,个体校准证书
Agilent Bio WAX,NP5,4.6x50mm*PK guard 柱
BIOBASIC AX 5UM 10X2.1MM JAVELIN GUARDS 4/PK
塑料宽口大白桶
5-氨基-2-溴苯甲酸
DISCOVERY HS F5 3UM 5CM X 4.6MM HPLC COLUMN
SCREW THREAD, WITH CONE ST 24/29, GL 32/14, SEAL: 29X14, LENGTH 80 MM, ONLY GLASS PARTS