Industrial chemicals · Taylor, TX
Certificate of Analysis

Sample Certificate of Analysis

Nitric Acid 40%

40%

Certificate #
TYP-NITRICACID40
Lot Number
TYPICAL SAMPLE
Test Date
Category
Aqueous Acids (C)
CAS Number
7697-37-2
Formula
HNO3
Computed Assay
40.00%(100 − Σ impurities)
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Sample COA. Lot-specific COAs ship with each order.

2D chemical structure of Nitric Acid 40%
Structure · PubChem
Last reviewed 2026-05-20.

COA · Answer summary

Typical certificate of analysis for Nitric Acid 40%. Lot-specific results ship with every order.

Assay (computed)
40.00%

Specifications

ParameterSpecificationTypical ResultTest Method
Assay (Titration)39.5 – 40.5 %40 %Titration
Chloride (Cl)≤ 5.8 ppm1.74 ppmICP
Color (APHA/Hazen)≤ 70 APHA30 APHASpectrophotometry
Iron (Fe)≤ 6 ppm2 ppmICP-MS
Residue/Non-volatile≤ 0.01 %0 %Residue on Ignition
Specific Gravity @20°C1.047 – 1.051 g/mL1.246 g/mLHydrometer @ 25°C

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.