grade
ACS reagent
form
liquid
shelf life
24 mo. (from mfg date)
concentration
48.0-51.0% Hf
impurities
≤0.01% Fluosilicic acid (H2SiF4), ≤0.05 ppm Arsenic (As), ≤0.1 ppm Copper (Cu), ≤0.5 ppm Heavy metals (as Pb), ≤1 ppm Iron (Fe), ≤1 ppm Phosphate (PO4), ≤5 ppm Chloride (Cl), ≤5 ppm Sulfate and sulfite (as SO4)
ign. residue
≤5 ppm
bp
106 °C/1013 hPa
mp
-35 °C
shipped in
ambient
storage temp.
no temp limit
Quality Level
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Application
Meets ACS Specifications
Analysis Note
Arsenic (As): 0.05ppm max
Assay: 48.0-51.0%
Chloride (Cl): 5ppm max
Copper (Cu): 0.1ppm max
Expiration date: Exp 24 months from receipt date
Fluosilicic acid (H2SiF4): 0.01% max
Heavy metals (as Pb): 0.5ppm max
Iron (Fe): 1ppm max
Phosphate (PO4): 1ppm max
Residue after ignition: 5ppm max
Sulfate and sulfite (as SO4): 5ppm max
Assay: 48.0-51.0%
Chloride (Cl): 5ppm max
Copper (Cu): 0.1ppm max
Expiration date: Exp 24 months from receipt date
Fluosilicic acid (H2SiF4): 0.01% max
Heavy metals (as Pb): 0.5ppm max
Iron (Fe): 1ppm max
Phosphate (PO4): 1ppm max
Residue after ignition: 5ppm max
Sulfate and sulfite (as SO4): 5ppm max
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Eye Dam. 1 - Skin Corr. 1A
存储类别
6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
法规信息
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