ASTM D6656
Standard Test Method for Determination of Chromic Oxide in Wet Blue (Perchloric Acid Oxidation)
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About This Item
ASTM D6656 is a laboratory test method for determining chromic oxide in wet blue using perchloric acid oxidation. It is used to measure a key component in chrome-tanned leather materials, helping support consistent quality control and reliable product evaluation. By providing a standardized analytical approach, this ASTM standard helps laboratories and manufacturers compare results more confidently and maintain tighter control over wet blue testing.
Overview of ASTM D6656
The official title, Standard Test Method for Determination of Chromic Oxide in Wet Blue (Perchloric Acid Oxidation), indicates a focused chemical test for wet blue leather. ASTM D6656 is designed to support the measurement of chromic oxide content through a defined oxidation-based procedure, which makes it useful when a consistent test method is needed for analytical reporting. As a standardized ASTM document, it helps align testing practices across laboratories, suppliers, and production environments.
Common use cases of ASTM D6656
This standard is commonly used in leather testing workflows where wet blue material must be evaluated for chromic oxide content. It may be applied in quality assurance laboratories, incoming material checks, or routine process control for tanned leather products. ASTM D6656 is also relevant when comparing test results between facilities or when a documented method is needed for technical specification compliance and product assessment.
Benefits of using ASTM D6656
Using ASTM D6656 supports consistent chromic oxide testing by providing a recognized method that helps reduce variation in laboratory practice. This can improve confidence in product data, aid procurement decisions, and strengthen quality control programs for wet blue materials. For organizations that need dependable analytical results, the standard offers a practical basis for compliance review, internal evaluation, and more uniform reporting across testing operations.
- Chromic oxide determination in wet blue
- Perchloric acid oxidation-based test method
- Supports laboratory consistency
- Useful for quality control and reporting
- Applicable to leather testing workflows
- Publication Date: 2024-12-10
- Publisher: ASTM
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