ASTM D1293
Standard Test Methods for pH of Water
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About This Item
ASTM D1293 is the ASTM standard for the pH of water, providing a technical reference for measuring how acidic or alkaline a water sample may be. It is commonly used when a consistent, documented approach to water pH testing is needed for laboratory work, quality control, or compliance-related review. By defining standard test methods, it helps support repeatable results and clearer comparison across samples, instruments, and testing programs.
Purpose of ASTM D1293
The purpose of ASTM D1293 is to describe standard test methods for determining the pH of water in a controlled and repeatable way. Because pH is a basic indicator of water chemistry, this standard helps users obtain results that are more consistent across testing environments. ASTM D1293 is useful as a technical reference when selecting a method, documenting procedures, or aligning routine water testing with recognized ASTM guidance.
Common use cases of ASTM D1293
This standard is commonly used in laboratories and testing workflows that measure water pH for routine analysis, incoming material checks, or quality monitoring. It may support evaluation of water used in industrial, environmental, or process settings where pH is an important condition to track. ASTM D1293 is also useful when comparing results from different samples or when a formal test method is needed for reporting and procurement purposes.
Why ASTM D1293 matters
ASTM D1293 matters because pH testing is often a basic but critical part of water evaluation. Using a recognized ASTM standard can improve consistency, reduce ambiguity in test reporting, and support better decision-making in quality control or compliance programs. It also helps organizations specify a common method for purchasing, auditing, and verifying water test results, which can lower the risk of inconsistent or difficult-to-compare data.
- Standard methods for water pH testing
- Useful for laboratory and field workflows
- Supports repeatable sample-to-sample comparison
- Helps document test procedures and results
- Relevant to quality control and compliance use
- Publication Date: 2020-09-10
- Publisher: ASTM
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