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Chiral CD-Ph 20×250
(定制产品)6种ICP-MS元素混标,1000 μg/mL 于 2% HNO3/tr HF
酸性铬蓝K
REACTION VESSEL, 6000 ML, DN 150, ROUND BOTTOM, WITH GRADUATION, FLAT FLANGE, FLANGE WITH GROOVE, CYLINDRICAL, ? 180 MM, HEIGHT 360 MM, BOROSILICATE GLASS
氯化铵
DB-1 气相毛细管柱
氟化细口大瓶,氟化高密度聚乙烯;氟化白色聚丙烯螺旋盖,20L容量
生活饮用水中钙、镁质控样
DL-乳酸 AR,85-90%
钴(III)酸锂, 99.5% (metals basis)