Perchloric acid 70% in water ACS

Supplier: Thermo Scientific Chemicals
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Perchloric acid 70% in water ACS
Perchloric acid
Formula: HClO₄
Boiling Pt: 160…181 °C (1013 hPa)
Melting Pt: –18 °C
Density: 1.66 g/cm³
Flash Pt: 113 °C
Storage Temperature: Ambient
MDL Number: MFCD00011325
CAS Number: 7601-90-3
EINECS: 231-512-4
UN: 1873
ADR: 5.1,I

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Specification Test Results

Appearance Clear liquid
Color scale ≤10 APHA
Residue after ignition ≤0.003 %
Titration with NaOH 69.0 to 72.0 %
Chloride (Cl) ≤10 ppm
Sulfate (SO4) ≤10 ppm
Silicate and phosphate ≤5 ppm (as SiO2)
Iron (Fe) ≤1 ppm
Heavy metals (as Pb) ≤1 ppm
Nitrogen compounds (as N) ≤0.001 %


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