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  • ASTM
    D7716-11a Standard Test Method for Determination of Residual Methanol in Glycerin by Gas Chromatography (Redline)
    Edition: 2011
    $144.00
    Unlimited Users per year

Description of ASTM-D7716 2011

ASTM D7716 - 11a

Standard Test Method for Determination of Residual Methanol in Glycerin by Gas Chromatography

Active Standard ASTM D7716 | Developed by Subcommittee: D15.93

Book of Standards Volume: 15.05




ASTM D7716

Significance and Use

Methanol content reflects the quality of glycerin for use as an engine coolant. The current specification for the maximum methanol content is 0.1 % weight to weight (w/w).

1. Scope

1.1 This test method provides for the quantitative determination of residual methanol in glycerin by gas chromatography. The range of detection for residual methanol is 0.02 to 0.60 mass %.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D1193 Specification for Reagent Water

D7640 Specification for Engine Coolant Grade Glycerin

E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods

E355 Practice for Gas Chromatography Terms and Relationships

E594 Practice for Testing Flame Ionization Detectors Used in Gas or Supercritical Fluid Chromatography

E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method


Keywords

gas chromatography; glycerin; headspace; methanol;


ICS Code

ICS Number Code 71.080.60 (Alcohols. Ethers); 75.160.01 (Fuels in general)


DOI: 10.1520/D7716-11A

ASTM International is a member of CrossRef.

ASTM D7716



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About ASTM

ASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide.
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