氢氟酸 AR,40%,GR,40.0%,49wt. %(电子级,溶剂:水)99.99998%metals basis,色谱级,48wt. % in H2O,≥99.99% trace metals basis,48wt. % in H2O, 优级试剂, 适用于分析, ACS,ISO,Reag. Ph Eur,电子UP级, 48.5-49.5 wt.%水溶液,质谱级,40%(GR)