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Phosphoric acid concentrated USP-NF/Ph.Eur 2.5LT
97190LC250317787105ET
USP/Ph.Eur3177871
7664-38-263956
H3PO4May 2020
98April 2023
Sr.No.TestResultSpecification
1Appearance/DescriptionClear, Colourless, odourless liquid of syrupy.CorrosiveClear, Colourless, odourless liquid of syrupy.Corrosive
2SolubilityPassesMiscible with water, with alcohol and with ethanol (96%)
3Identification (By chemical test)CompliesThe solution should strongly acidic.
4Identification (Phosphate 1)CompliesWith silver nitrate solution neutral solution should yield yellow precipitate that soluble in 2N nitric acid and 6 N ammonium hydroxide.
5Identification (Phosphate 2)CompliesWith ammonium molybdate solution, acidified solutions should yield a yellow precipitate that should soluble in 6N ammonium hydroxide.
6Identification (Phosphate 3)CompliesA yellow precipitate should form whose colour does not change by boiling and which dissolves on addition of ammonia.
7Identification (Phosphate 4)CompliesA yellow color should develop
8Appearance of solutionPassesClear and colorless solution
9Assay85.31%85.0% - 88.0% w/w
10Limit of NitrateCompliesThe blue color should not discharge within 1 minute.
11Chloride & Sulfate: SulfateCompliesNo precipitate should form immediately
12Sulphate (SO4)Less than 100ppm100ppm max
13Alkali PhosphatePassesNo turbidity should produce.
14Phosphorous or Hypophosphorous acidPassesThe mixture should not become brownish.
15Relative density, 20°C1.718About 1.7
16Substance precipitated with ammonia(NH4)CompliesAny opalescence in the solution should not be more intense than that of reference solution
17Hypophosphorus acid and phosphorous acidPassesThe solution should not show change in appearance
18Chloride (Cl)Less than 50ppm50ppm max
19Arsenic (As)Less than 2ppm2ppm max
20Iron (Fe)Less than 50ppm50ppm max
21Specific gravity1.711About 1.71
Remarks: THE CAPTIONED MATERIAL COMPLIES WITH THE PRESCRIBED QUALITY OF USP-NF AND PH.EUR SPECIFICATION.
FINAR provides this analytical report in good faith and to the best of its knowledge. It should not be substituted for the users own raw material quality control.
Tested By
(Chemist - Quality Control)
Approved By
(Head - Quality Control)
Computer Generated Report - Does not require Signature.
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