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micro mesh 6000 platform LC(液相配件)
双辛烷基二甲基氯化铵
DROPPING FUNNELS, ROUND BOTTOM, UNGRADUATED, ST-STOPCOCK W. SCREW-THREAD RETAINING NUT, 250 ML, C
2-氯-5-(三氟甲基)苯甲醛
ASTM-THERMOMETER (SOLID STEM) WITH CELSIUS-SCALE RANGE, YELLOW ENAMELLED ASTM TAR ACIDS DISTILLATI
Micro SiliaPrep Thiourea SPE小柱
21种元素ICP-MS混标,溶于2% HNO3+Tr HF
Talboys 两爪多用夹,单调,大号
乙二酰二胺
CAPCELL PAK C18 BB S3 4.6X50