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甲醇中敌菌酮溶液, 1000μg/mL
2-甲氧基-5-硝基吡啶
BALLOONS FOR GAS SAMPLING, 5 Liters
Retort clamp, alloy PVC, length 140 mm, opening ? 15-65 mm, with round jaws, plastic-coated
HyperSep Retain PEP 1g 25mL SPE Column 20个/包装
THISTLE FUNNEL, WITH BEND AND TWO BULBS, HEIGHT: 400 MM, I.D. 6 MM
氯化锂 溶液,2 M in ethanol
样品袋, 720 mL,500EA
SPHERISORB ODS2 3UM 125X4.6MM COLUMN
管路接头,PP,直通,用于内径为3- 5 mm的管路