Nitric Acid 40%

40%

Certificate #: TYP-NITRICACID40
Lot Number: TYPICAL SAMPLE
Test Date: 2026-06-02
Category: Aqueous Acids (C)
CAS Number: 7697-37-2
Formula: HNO3
Computed Assay: 40.00%(100 − Σ impurities)

Sample COA. Lot-specific COAs ship with each order.

Specifications

Parameter	Specification	Typical Result	Test Method
Assay (Titration)	39.5 – 40.5 %	40 %	Titration
Chloride (Cl)	≤ 5.8 ppm	1.74 ppm	ICP
Color (APHA/Hazen)	≤ 70 APHA	30 APHA	Spectrophotometry
Iron (Fe)	≤ 6 ppm	2 ppm	ICP-MS
Residue/Non-volatile	≤ 0.01 %	0 %	Residue on Ignition
Specific Gravity @20°C	1.047 – 1.051 g/mL	1.246 g/mL	Hydrometer @ 25°C

Generated 2026-06-02. Values are representative of typical production lots and reflect the published specification range. Lot-specific COAs are provided with every shipment.