ASTM E463
Standard Test Method for Determination of Silica in Fluorspar by Silico-Molybdate Visible Spectrophotometry
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About This Item
ASTM E463 is a standard test method for determining silica in fluorspar by silico-molybdate visible spectrophotometry. It provides a focused analytical approach for measuring silica content in this mineral material, supporting consistent laboratory results and clearer quality decisions. For organizations that buy, process, or test fluorspar, this ASTM standard helps define a recognized method for comparison, reporting, and routine control.
What is ASTM E463?
ASTM E463 is a laboratory test method centered on the determination of silica in fluorspar using silico-molybdate visible spectrophotometry. The title indicates a chemical analysis procedure rather than a general material specification, so its main value is in producing a repeatable measurement of silica content. In practice, the standard gives users a common technical reference for preparing, analyzing, and evaluating fluorspar samples with a visible spectrophotometric method.
Where is ASTM E463 used?
ASTM E463 is typically used in laboratories and quality control settings that evaluate fluorspar for commercial or technical purposes. It is relevant wherever silica content in fluorspar needs to be measured with a recognized ASTM method, such as material receiving, product verification, or batch comparison. The standard is especially useful in workflows that depend on consistent chemical analysis and documented test results for mineral materials.
Why is ASTM E463 important?
ASTM E463 matters because silica content can influence how fluorspar is evaluated and accepted in practice. A standardized test method helps reduce variation between laboratories, improves confidence in reported results, and supports more reliable procurement and quality control decisions. By using a common ASTM approach, organizations can compare data more consistently, document compliance more clearly, and lower the risk of misinterpretation in material assessment.
- Silica determination in fluorspar
- Visible spectrophotometric analysis
- Laboratory quality control reference
- Consistent material evaluation
- ASTM-referenced test method
- Publication Date: 2021-10-14
- Publisher: ASTM
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