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ASTM-THERMOMETER (SOLID STEM) WITH CELSIUS-SCALE RANGE, YELLOW ENAMELLED ASTM TYPE: FUEL RATING, C
UV比色皿盖,蓝色,100件
Monoquat-D3 iodide
SPHERISORB ODS2 5UM 10X2.1MM DROP-IN GUARDS 4/PK
(定制产品)4种元素ICP-MS混标,C/N/S/ I,100mg/L溶于H2O
土壤中8种杀虫剂成分分析标准物质
FILTER PAPER CIRCLES, MEDIUM SOFT, MEDIUM SPEED RAPID, FILTER D. 150 MM IN BOX OF 100 PCS
假单胞菌琼脂(CN琼脂)平板
阳离子混标 6 (6组分)
苄基二甲基苯基氯化铵