ASTM D4903
Standard Test Method for Total Solids and Water in Vegetable Tanning Material Extracts
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About This Item
ASTM D4903 is the ASTM standard that covers the determination of total solids and water in vegetable tanning material extracts. It provides a focused testing framework for evaluating extract composition, which is important when comparing materials, checking process consistency, or supporting quality control. By defining a common method for these measurements, ASTM D4903 helps users obtain more consistent results and better interpret the condition of tanning material extracts in practical production and laboratory settings.
What is ASTM D4903?
ASTM D4903, titled Standard Test Method for Total Solids and Water in Vegetable Tanning Material Extracts, is a technical document used to measure two key properties of an extract: total solids and water. The standard is centered on analytical testing for vegetable tanning material extracts, helping users assess the composition of the sample in a repeatable way. In practice, this supports laboratory evaluation, routine monitoring, and comparison of extract quality under a common ASTM standard method.
Where is ASTM D4903 used?
This standard is commonly used in laboratories and quality control environments that work with vegetable tanning material extracts. It may support testing during production, incoming inspection, or product evaluation where solids and water content need to be verified. ASTM D4903 is most relevant in settings where extract composition affects process performance, consistency, or specification checks. It is typically applied as part of routine analytical workflows for materials testing and documentation.
Why is ASTM D4903 important?
ASTM D4903 matters because total solids and water content can influence how a tanning material extract is judged for consistency and suitability. A defined test method supports more reliable comparisons between batches, suppliers, or test results. This is valuable for compliance efforts, quality control, procurement review, and product evaluation. Using a recognized ASTM method can also help reduce uncertainty in reporting and improve confidence in laboratory results.
- Total solids measurement
- Water content determination
- Vegetable tanning extract testing
- Quality control support
- Consistent analytical results
- Publication Date: 2020-12-11
- Publisher: ASTM
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