Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

Phosphoric Acid 75%

75%

Certificate #
TYP-PHOSPHORICAC
Lot Number
TYPICAL SAMPLE
Test Date
Category
Aqueous Acids (C)
CAS Number
7664-38-2
Formula
H3O4P
Computed Assay
75.00%(100 − Σ impurities)
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Sample COA. Lot-specific COAs ship with each order.

2D chemical structure of Phosphoric Acid 75%
Structure · PubChem
Last reviewed 2026-05-20.

COA · Answer summary

Typical certificate of analysis for Phosphoric Acid 75%. Lot-specific results ship with every order.

Assay (computed)
75.00%

Specifications

ParameterSpecificationTypical ResultTest Method
Assay (Titration)74.5 – 75.5 %75 %Titration
Acidity≤ 0.01 %Titration
Arsenic & Antimony (as As)≤ 0.44 ppmICP-MS
Cadmium (Cd)≤ 0.88 ppmICP-MS
Chloride (Cl)≤ 17.65 ppm8.82 ppmICP
Color (APHA/Hazen)≤ 15 APHA5 APHASpectrophotometry
Fluoride (F)≤ 8.82 ppm7.94 ppmIon Chromatography
Heavy Metals (as Pb)≤ 4 ppm2 ppmICP-MS (as Pb)
Iron (Fe)≤ 9 ppm3 ppmICP-MS
Lead (Pb)≤ 0.88 ppmICP-MS
Mercury (Hg)≤ 0.88 ppmICP-MS
Nitrate (NO3)≤ 4.41 ppmICP
Residue/Non-volatile≤ 0.01 %Residue on Ignition
Specific Gravity @20°C1.574 – 1.58 g/mL1.577 g/mLHydrometer @ 25°C
Sulfate (SO4)≤ 44.12 ppmICP
Water (Karl Fischer)≤ 0.01 %Karl Fischer

Generated . Published by Alliance Chemical from first-party canonical product data. Our authority is hands-on chemical handling, DOT/GHS-compliant shipping, and government-registered distribution — not bench chemistry. Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.