Hydrofluoric Acid, 48-52 Percent, Technical Hydrofluoric Acid, 49 Percent, Electronic/CleanrooM Grade Hydrofluoric Acid, 70 Percent, Technical Hydrofluoric Acid, TraceGrade Hydrofluoric Acid, Ultratrace Hydrofluoric acid, 40 wt.% solution in H2O, for analysis Hydrofluoric acid, ACS reagent, 48.0 - 51.0% HF Hydrofluoric acid 48 wt. % in H2O, >=99.99% trace metals basis