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Hydrofluoric acid, solution 48% w/w, for analysis, ExpertQ®, ACS, ISO

- HF
- M = 20,00 g/mol
- CAS [7664-39-3]
- EINECS-No.: 231-634-8
- Density: 1,16 g/cm3
- Solub. in water: (20 ºC): miscible
- Melting point: ~ -35 ºC
- Boiling point: ~ 106 ºC
- EC-Index-No.: 009-002-00-6
- ADR: 8 CT1 II UN 1790
- IMDG: 8 II UN 1790
- IATA/ICAO: 8 II UN 1790
- GHS-signal word: Danger
- GHS-H sentences: H310 - H330 - H314
- GHS-P sentences: P260 - P303+P361+P353 - P305+P351+P338 - P310 - P320 - P405 - P501a
- Tariff number: 2811 11 00 00
- Applications: analytical chemistry, acidifying agent, dissolution agent for silicates.

SPECIFICATIONS
assay (acidimetric): 48,0 - 51,0 %
colour (Hazen): max.10
hexafluorosilicic acid (H2SiF6) : max. 0,005 %
chlorides (Cl): max. 0,0001 %
phosphates (as PO4): max. 0,00001 %
sulfates (SO4): max. 0,0001 %
sulfites (SO3) : max. 0,0002 %
aluminium (Al): max. 0,05 ppm
arsenic (As): max. 0,05 ppm
barium (Ba): max 0,01 ppm
beryllium (Be): max. 0,02 ppm
bismuth (Bi): max. 0,02 ppm
cadmium (Cd): max 0,01 ppm
calcium (Ca): max. 0,2 ppm
chromium (Cr): max 0,01 ppm
cobalt (Co): max. 0,02 ppm
copper (Cu): max. 0,02 ppm
germanium (Ge): max. 0,02 ppm
heavy metals (as Pb): max. 0,5 ppm
iron (Fe): max. 0,1 ppm
lead (Pb): max. 0,02 ppm
lithium (Li): max 0,01 ppm
magnesium (Mg): max. 0,1 ppm
manganese (Mn): max. 0,03 ppm
molybdenum (Mo): max. 0,02 ppm
nickel (Ni): max. 0,02 ppm
potassium (K): max. 0,1 ppm
silver (Ag): max. 0,02 ppm
sodium (Na): max. 0,2 ppm
strontium (Sr) : max. 0,02 ppm
thallium (Tl): max. 0,02 ppm
titanium (Ti): max. 0,02 ppm
vanadium (V): max. 0,02 ppm
zinc (Zn): max. 0,05 ppm
zirconium (Zr): max. 0,02 ppm
residue on ignition: max. 0,0005 %