ASTM D8344

ASTM D8344 is a technical standard for the ammonium bifluoride and nitric acid digestion of airborne dust and dust-wipe samples for the determination of metals and metalloids. It provides a defined approach for preparing collected samples before analysis, helping laboratories and technical users work with a more consistent digestion procedure. By addressing sample preparation, the standard supports clearer, more reliable results when evaluating trace constituents in dust-related monitoring programs.

ASTM D8344 standard overview

The ASTM D8344 standard overview centers on a digestion practice used to process airborne dust and dust-wipe samples with ammonium bifluoride and nitric acid. Its role is to support downstream determination of metals and metalloids by establishing a more controlled preparation step. As a practice standard, it is generally used to improve consistency in how samples are handled before analytical measurement. That makes it useful for laboratories seeking repeatable preparation methods tied to the standard’s defined chemical digestion approach.

Where is ASTM D8344 used?

This standard is commonly used in laboratory workflows that evaluate collected dust or wipe samples for metallic and metalloid content. It may be applied where air monitoring, surface hygiene assessment, or contamination investigations require digestion of particulate material before instrumental analysis. ASTM D8344 is relevant wherever airborne dust and dust-wipe sampling results need a documented preparation practice that supports dependable comparison between samples and across test batches.

Practical importance of ASTM D8344

In practice, ASTM D8344 helps improve consistency in sample preparation, which is important when testing for metals and metalloids in dust-related materials. A defined digestion practice can support compliance efforts, quality control, and more defensible analytical reporting. For procurement and laboratory selection, it also gives buyers and users a clear reference for the sample preparation method used before determination. That can reduce ambiguity and help align testing expectations across projects.

• Digestion practice for dust and wipe samples
• Focused on metals and metalloids determination
• Uses ammonium bifluoride and nitric acid
• Supports consistent laboratory preparation
• Useful for documentation and testing workflows