ASTM D8236
Standard Practice for Preparing an Equilibrium Liquid/Vapor Sample of Live Crude Oil, Condensates, or Liquid Petroleum Products Using a Manual Piston Cylinder for Subsequent Liquid Analysis or Gas Analysis
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About This Item
ASTM D8236 is a technical standard that addresses how to prepare an equilibrium liquid/vapor sample of live crude oil, condensates, or liquid petroleum products using a manual piston cylinder for later liquid or gas analysis. It is intended to support more consistent sample preparation before laboratory testing, helping users obtain representative phase-separated material for downstream evaluation. As an ASTM standard, it is relevant where controlled handling of volatile hydrocarbon samples is important for reliable analytical work.
Purpose of ASTM D8236
The purpose of ASTM D8236 is to provide a standardized practice for preparing an equilibrium liquid/vapor sample from pressurized petroleum fluids with a manual piston cylinder. This helps define a repeatable approach for bringing live crude oil, condensates, or liquid petroleum products into a condition suitable for subsequent analysis. By focusing on sample preparation, the standard supports better consistency in laboratory workflows and reduces variability that can affect liquid analysis or gas analysis results.
Common use cases of ASTM D8236
This practice is commonly used when laboratories or field teams need to handle volatile hydrocarbon samples before analysis. It is especially relevant for live crude oil and condensate samples, as well as liquid petroleum products that must be prepared in equilibrium liquid/vapor form. ASTM D8236 may be used in quality control, sample conditioning, and test planning where manual piston cylinder equipment is selected to support controlled preparation for later analytical testing.
Why ASTM D8236 matters
ASTM D8236 matters because sample preparation can strongly influence test outcomes for volatile petroleum materials. A standardized practice helps promote consistency across different users, facilities, and projects, which is important for compliance, procurement, and product evaluation. It also supports risk reduction by giving laboratories a recognized approach for preparing samples before liquid or gas analysis. For organizations working with live petroleum fluids, this can improve confidence in the reliability of analytical results.
- Equilibrium liquid/vapor sample preparation
- Manual piston cylinder handling
- Live crude oil and condensate applications
- Support for liquid and gas analysis
- Consistent laboratory sample conditioning
- Publication Date: 2019-03-28
- Publisher: ASTM
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