ASTM D4542
Standard Test Methods for Pore Water Extraction and Determination of the Soluble Salt Content of Soils by Refractometer
Available Formats:
- Availability: Immediate Download
- Language: English
- License Type: Single User
- Updates: Not Included
- Availability: Request Quote
- Language: English
- License Type: Enterprise / Multi User
- Updates: Included
About This Item
ASTM D4542 is the ASTM standard that covers pore water extraction and the determination of soluble salt content in soils by refractometer. It is used when a consistent test method is needed to help evaluate salts present in soil pore water, supporting more reliable comparison between samples and test results. By defining a recognized procedure, this standard helps laboratories and project teams apply a common technical basis for soil assessment and reporting.
Overview of ASTM D4542
ASTM D4542 provides standard test methods for extracting pore water from soil and measuring its soluble salt content with a refractometer. The document is relevant where soil chemistry needs to be checked in a controlled, repeatable way using a defined test approach. As an ASTM standard, it supports consistent laboratory practice and clearer interpretation of results. ASTM D4542 is especially useful when project decisions depend on understanding salt levels in soil pore water.
Common use cases of ASTM D4542
This standard is commonly used in soil testing workflows that require a measured approach to pore water extraction and soluble salt determination. It may be applied in laboratories, engineering investigations, and quality control programs where soil samples must be evaluated using a refractometer-based method. ASTM D4542 is also helpful when comparing soil conditions across locations or monitoring changes in soluble salt content over time as part of technical assessment.
Benefits of using ASTM D4542
Using ASTM D4542 helps promote consistency in testing and reporting for pore water and soluble salt content in soils. It gives procurement teams, laboratories, and engineers a recognized technical reference for compliance and comparison of results. The standard can support better quality control by reducing method variation and improving confidence in soil evaluation. It also helps limit risk by providing a common framework for repeatable measurement and documented test practice.
- Pore water extraction guidance
- Soluble salt content measurement
- Refractometer-based test method
- Soil sample evaluation
- Repeatable laboratory reporting
- Publication Date: 2022-08-08
- Publisher: ASTM
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Summarize with AI
Get quick summaries using your favorite AI engine.
Online Standart Disclaimer
OnlineStandart.com is an authorized reseller of international standards, operating through partnerships with authorized distributors. We do not own the copyrights or trademarks of the standards we sell, including but not limited to those of API, ASHRAE, BSI, SAE, ASTM, IEEE, IEC, ASME, ISO, and others.
All product names, logos, and brands are the property of their respective owners and are used for identification purposes only; their use does not imply endorsement. OnlineStandart.com is not affiliated with or endorsed by any standards development organization unless explicitly stated. The content of this document is for informational purposes only and is intended to promote our licensed reselling services.
Online Standart does not host, distribute, or link to free, unlicensed, or uncertified copies of copyrighted standards. Every document we deliver is a licensed copy obtained through authorized channels and supplied with full licensing documentation. The “Free PDF Download” option on our product pages refers to this free informational document — never to a free copy of any standard.




