Potassium nitrate 99.0-100.5%, Puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E252, Fluka™

Supplier: Honeywell Chemicals
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Synonyms: Nitrate of Potash

12648-25KG 12648-1KG 12648-2.5KG 12648-6X1KG
HONC12648-25KGEA 2130 SGD
HONC12648-25KG HONC12648-1KG HONC12648-2.5KG HONC12648-6X1KG
Potassium nitrate 99.0-100.5%, Puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, E252, Fluka™
Potassium nitrate
Formula: KNO₃
MW: 101,1 g/mol
Melting Pt: 335 °C (1,013 hPa)
Density: 2,11 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00011409
CAS Number: 7757-79-1
EINECS: 231-818-8
UN: 1486
ADR: 5.1,III
REACH: 01-2119488224-35
Merck Index: 13,07733

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Specification Test Results

Assay 99.0 - 100.5 %
Assay (calculated to the dried substance) 99.0 - 100.5 %
Loss on drying (105°C) Max. 0.5 %
pH (5 %, 20°C) 5-8
Ammonium (NH₄) Max. 50 ppm
Arsenic (As) Max. 1 ppm
Calcium (Ca) Max. 50 ppm
Copper (Cu) Max. 10 ppm
Iron (Fe) Max. 10 ppm
Mercury (Hg) Max. 1 ppm
Sodium (Na) Max. 0.1 %
Lead (Pb) Max. 2 ppm
Zinc (Zn) Max. 10 ppm
Heavy metals (as Pb) Max. 10 ppm
Chloride (Cl) Max. 10 ppm
Nitrite (NO₂) Max. 5 ppm
Sulfate (SO₄) Max. 100 ppm
Chlorate (ClO₃) complying
Appearance of the solution complying
Acidity or alkalinity complying
Reducible impurities complying
Residual solvents complying
Identity on K complying
Identity on NO₃ complying

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