ASTM D3718 is the ASTM standard for the Standard Test Method for Low Concentrations of Chromium in Paint by Atomic Absorption Spectroscopy. It provides a technical approach for measuring chromium at low levels in paint materials using atomic absorption spectroscopy, helping users evaluate composition with greater consistency. This standard is relevant when accurate trace-level testing is needed for quality control, material verification, or compliance-related assessment in paint products and related coatings applications.

Purpose of ASTM D3718

The purpose of ASTM D3718 is to describe a test method for determining low concentrations of chromium in paint by atomic absorption spectroscopy. It gives laboratories and technical teams a standardized way to measure chromium content using an established analytical technique. By defining a common test approach, the standard helps support repeatable results, comparable data, and more reliable interpretation when chromium levels must be checked in paint samples.

Common use cases of ASTM D3718

ASTM D3718 is commonly used in paint testing laboratories and quality control workflows where low chromium levels need to be measured with analytical precision. It may be applied during product evaluation, incoming material checks, or routine compliance testing for paint formulations. The standard is also useful when laboratories need a recognized method for atomic absorption spectroscopy-based analysis of coatings and related paint samples.

Why ASTM D3718 matters

ASTM D3718 matters because low-level chromium measurement can affect product acceptance, reporting accuracy, and quality decisions. A standardized test method helps reduce variation between laboratories and supports more consistent procurement and compliance review. For manufacturers, buyers, and testing organizations, using a recognized ASTM standard can improve confidence in results and help limit the risk of incomplete or inconsistent analytical data.

• Low-level chromium analysis in paint
• Atomic absorption spectroscopy method
• Quality control and verification testing
• Standardized laboratory reporting
• Paint sample compliance support