ASTM D4900
Standard Test Method for Lignosulfonates (Sulfite Cellulose) in Tanning Extracts
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About This Item
ASTM D4900 is the ASTM standard for the Standard Test Method for Lignosulfonates (Sulfite Cellulose) in Tanning Extracts. It provides a technical basis for evaluating whether these compounds are present in tanning extract materials, supporting consistent testing and product verification. For buyers, labs, and suppliers working with tanning extracts, this standard helps align inspection and quality control practices around a defined test method.
Overview of ASTM D4900
This standard addresses a specific analytical need in the tanning materials area: identifying or measuring lignosulfonates derived from sulfite cellulose in tanning extracts. ASTM D4900 is useful where a documented test method is needed to support comparison, specification review, or product acceptance. By focusing on a defined material component rather than a broad formulation claim, it helps keep testing more consistent and easier to interpret in commercial and laboratory settings.
Common use cases of ASTM D4900
ASTM D4900 is commonly referenced in laboratory testing, incoming material checks, and supplier quality programs for tanning extracts. It may be used when evaluating extract composition, verifying product claims, or comparing batches against a purchasing requirement or internal specification. The standard is also relevant when a test method is needed to support documentation, dispute resolution, or routine quality control around tanning-related raw materials.
Benefits of using ASTM D4900
Using ASTM D4900 can improve consistency in testing and help reduce ambiguity when assessing lignosulfonates in tanning extracts. It supports more reliable communication between suppliers, laboratories, and purchasers by providing a shared test reference. In practice, this can aid compliance efforts, strengthen procurement decisions, and improve confidence in material evaluation. For organizations that depend on repeatable results, the standard adds structure to quality control and product review.
- Test method for tanning extract evaluation
- Focus on lignosulfonates from sulfite cellulose
- Supports quality control and material verification
- Useful for lab, procurement, and specification review
- Publication Date: 2020-12-11
- Publisher: ASTM
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