---
type: "WebPage"
title: "Nitric acid analysis in the laboratory"
description: "Your needs: carry out nitric acid analysis in accordance with current standards What is nitric acid? Nitric acid (HNO₃) CAS No. 7697-37-2 is a chemical compound widely used in multiple industrial sectors, including metallurgy, pharmaceuticals, and electronics.To ensure safety, process..."
resource: "https://filab.fr/en/our-services/our-analysis-services/chemical-analysis-laboratory/nitric-acid-analysis/"
tags: ["EN", "pll_68c1999b1c850", "Anaïs DECAUX"]
timestamp: "2025-12-31T08:32:24Z"
published: "2025-09-11T06:44:50Z"
language: "en"
author: "Laure Durieux"
---

# Nitric acid analysis in the laboratory

## Your needs: carry out nitric acid analysis in accordance with current standards

### What is nitric acid?

Nitric acid (HNO₃) CAS No. 7697-37-2 is a chemical compound widely used in multiple industrial sectors, including metallurgy, pharmaceuticals, and electronics.

To ensure safety, process efficiency, and regulatory compliance, accurate and reliable nitric acid analysis is essential.

## Our solutions: provide reliable technical means to assess the quality of your nitric acid-based products

### Why choose FILAB for nitric acid analysis?

FILAB Laboratory has been supporting manufacturers in solving their problems for over 30 years. Equipped with state-of-the-art analytical equipment, FILAB Laboratory analyzes and measures your nitric acids using a range of high-quality services.

### Our technical resources for nitric acid analysis

From design to manufacturing, to marketing, [FILAB](https://filab.fr/en/) has a wide range of analytical tools

  [### ICP-MS et ICP-AES](https://filab.fr/en/our-technical-resources/laboratory-analysis-icp-icp-ms-icp-aes.md) [### GC-MS](https://filab.fr/en/our-technical-resources/laboratory-analysis-gcms.md) [### LC](https://filab.fr/en/our-technical-resources/laboratory-analysis-uplc/laboratory-analysis-hplc-lcms.md) [### IC](https://filab.fr/en/our-technical-resources/laboratory-ion-chromatography.md)
## Our nitric acid analysis services

Our analytical park allows us to study your nitric acid-based products and provide the following services:

[Chemical analysis](https://filab.fr/en/our-services/our-analysis-services/chemical-analysis-laboratory.md): nitric acid dosage

[Additive analysis](https://filab.fr/en/our-services/our-analysis-services/chemical-analysis-laboratory/laboratory-analysis-additives.md)

[Search for impurities](https://filab.fr/en/our-services/our-analysis-services/laboratory-detection-identification-impurities.md) and contaminations

[Development of analytical method](https://filab.fr/en/our-services/our-expertise-services/analytical-development.md)

[Stability study](https://filab.fr/en/sectors-of-activity/health-pharmaceutical-cosmetics/stability-testing-medications-and-active-ingredients.md)

[Heavy metal analysis](https://filab.fr/en/our-services/our-analysis-services/laboratory-analysis-heavy-metal.md) (under COFRAC ISO 17025 accreditation)

Compatibility study (extractables and releasables, container/content)

### Why analyze nitric acid in the laboratory?

Laboratory analysis of nitric acid can be useful for various reasons, such as:

- Determining the concentration of nitric acid in a sample
- Evaluating the quality and purity of nitric acid used in cosmetic and other products
- Understanding the physical properties of nitric acid and its interaction with other chemicals
- Identifying structural variations or post-translational modifications of nitric acid that may have functional implications

In short, analyzing nitric acid can provide a better understanding of its behavior in various systems, ensure its compliance with specifications, and optimize its use in industrial, chemical, and environmental applications.

## FAQ

 Why is nitric acid analysis so important?
Nitric acid analysis is vital for several key reasons:

- **Safety**: nitric acid is a powerful and corrosive oxidant. Knowing its concentration and the presence of impurities helps prevent dangerous reactions and ensure safe handling.
- **Product quality**: ensuring that the acid meets purity and concentration specifications is crucial for sensitive applications (pharmaceuticals, electronics, etc.).
- **Process efficiency**: accurate composition ensures optimal yields in chemical reactions and minimizes waste.
- **Compliance**: comply with applicable standards.
- **Equipment performance**: prevent premature corrosion of facilities due to impurities or inappropriate concentrations.

 What are the main parameters analyzed for nitric acid?
Common nitric acid analyses include:

- **HNO₃ concentration**: generally expressed as a mass percentage.
- **Purity**: quantification of the absence or presence of specific impurities.
- **Specific Density**
- **Color and transparency**: these visual indicators can reveal the presence of dissolved nitrogen oxides or particulates.
- **Metal content**: trace amounts of iron, copper, chromium, nickel, lead, etc., often critical for high-purity applications.
- **Anions**: chlorides (Cl⁻), Sulfates (SO₄²⁻), etc.
- **Organic compounds**: undesirable in many applications.