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Cover for mixing vessel 62762000
6-糠氨基嘌呤
4ML 透明样品瓶 套装 含
泥质灰岩
结晶紫中性红胆盐琼脂(VRBA)颗粒
甲醇中7种苯系物标样(苯、甲苯、乙苯、邻二甲苯、间二甲苯、对二甲苯、苯乙烯)
NOT LONGER AVAILABLE !
填充柱 FFAP:KOH:Chromosorb WHP 80/100=5:1:100
2,2':5',2'-四噻吩-5-甲醛
Thallium 1,000 mg/L in 2% HNO3, 50 mL (Tl Metal)