ASTM D3997/D3997M
Standard Practice for Preparing Coke Samples for Microscopical Analysis by Reflected Light
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About This Item
ASTM D3997/D3997M is the ASTM standard for preparing coke samples for microscopical analysis by reflected light. It provides a structured approach to sample preparation so the coke can be examined consistently under reflected light microscopy. This matters because preparation quality can strongly affect the clarity and reliability of the microscopic view, supporting more dependable evaluation, comparison, and reporting in technical and quality control workflows.
ASTM D3997/D3997M standard overview
The official title, Standard Practice for Preparing Coke Samples for Microscopical Analysis by Reflected Light, indicates a preparation-focused practice rather than a test method for composition or performance. ASTM D3997/D3997M is used to guide how coke samples are handled and prepared before microscopic examination, helping reduce variability that could affect observed features. As a standards document, it supports more consistent preparation practices for laboratories and organizations that rely on reflected light microscopy for coke analysis.
Where is ASTM D3997/D3997M used?
This standard is commonly used in laboratory and quality assurance settings where coke samples need to be examined microscopically. It is relevant to workflows that include sample collection, preparation, mounting, and reflective light analysis. The document is especially useful when consistent specimen preparation is important for comparing results across batches, projects, or testing programs. ASTM D3997/D3997M is a practical reference for teams that need a dependable preparation practice before microscopic evaluation.
Practical importance of ASTM D3997/D3997M
Using ASTM D3997/D3997M helps support consistency in sample preparation, which is essential for reliable microscopical analysis. When the preparation step is controlled, laboratories can improve repeatability, reduce avoidable variation, and strengthen confidence in observed results. This can be valuable for compliance programs, internal quality control, procurement review, and technical evaluation. For organizations working with coke samples, the standard offers a clear basis for aligning preparation practices with recognized ASTM guidance.
- Coke sample preparation
- Reflected light microscopy
- Laboratory consistency
- Quality control workflows
- Technical analysis support
- Publication Date: 2024-07-26
- Publisher: ASTM
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