ASTM D3741-00(2020)

Standard Test Methods for Appearance of Admixtures Containing Halogenated Organic Solvents

SIGNIFICANCE AND USE
2.1 These test methods are useful for determining the appearance of halogenated hydrocarbons and their admixtures.
SCOPE
1.1 These test methods cover the visual determination of the physical appearance of admixtures containing halogenated hydrocarbons. These test methods are qualitative test methods.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

• Status: Published
• Publication Date: 31-Mar-2020
• ICS: 71.080.20 - Halogenated hydrocarbons
• Technical Committee: D26 - Halogenated Organic Solvents and Fire Extinguishing Agents
• Drafting Committee: D26.04 - Test Methods

Relations

• Replaces: ASTM D3741-00(2015)e1 - Standard Test Methods for Appearance of Admixtures Containing Halogenated Organic Solvents
• Effective Date: 01-Apr-2020
• Referred By: ASTM D4376-15(2020) - Standard Specification for Vapor-Degreasing Grade Perchloroethylene
• Effective Date: 01-Apr-2020
• Referred By: ASTM D4081-16(2023) - Standard Specification for Drycleaning-Grade Perchloroethylene
• Effective Date: 01-Apr-2020
• Referred By: ASTM D5616-04(2022) - Standard Specification for Reclaimed Trichloroethylene
• Effective Date: 01-Apr-2020
• Referred By: ASTM D5395-03(2023) - Standard Specification for Reclaimed Methylene Chloride
• Effective Date: 01-Apr-2020
• Referred By: ASTM D5396-04(2020) - Standard Specification for Reclaimed Perchloroethylene
• Effective Date: 01-Apr-2020
• Referred By: ASTM D4079-00(2022) - Standard Specification for Vapor-Degreasing Grade Methylene Chloride
• Effective Date: 01-Apr-2020
• Referred By: ASTM D5248-04(2020) - Standard Specification for Reclaimed 1,1,2-Trichloro 1,2,2-Trifluoroethane
• Effective Date: 01-Apr-2020
• Referred By: ASTM D6368-06(2023) - Standard Specification for Vapor-Degreasing Solvents Based on <emph type="bdit">normal</emph >-Propyl Bromide and Technical Grade <emph type="bdit">normal</emph >-Propyl Bromide
• Effective Date: 01-Apr-2020
• Referred By: ASTM D4080-15(2020) - Standard Specification for Trichloroethylene, Technical and Vapor-Degreasing Grade
• Effective Date: 01-Apr-2020
• Referred By: ASTM D7509-09(2021) - Standard Specification for Fluorocarbon Feedstock Grade Chloroform
• Effective Date: 01-Apr-2020
• Referred By: ASTM D4701-00(2020) - Standard Specification for Technical Grade Methylene Chloride
• Effective Date: 01-Apr-2020

Overview

ASTM D3741-00(2020): Standard Test Methods for Appearance of Admixtures Containing Halogenated Organic Solvents provides qualitative procedures to visually assess the physical appearance of admixtures that contain halogenated hydrocarbons. Developed by ASTM International, this standard is valuable for quality control and assurance in industries utilizing chlorinated and other halogenated organic solvents. The test methods are intended to identify the presence of contaminants, suspended particles, sediment, turbidity, foaming, or free water in solvent mixtures.

Key Topics

• Visual Inspection Methods: Outlines procedures for visually evaluating the appearance of solvent admixtures using two primary techniques:
  • Using Nessler tubes for controlled visual comparisons.
  • Using clear, colorless glass bottles against white and black backgrounds.
• Pass/Fail Assessment: These methods are qualitative, providing a straightforward pass/fail result rather than quantitative measurement of contaminants.
• Applicability of SI Units: All results and procedures adhere strictly to the International System of Units (SI).
• Reporting Requirements: Specifies documentation of observed contaminants, including suspended or floating matter, sediments, turbidity, and free water.
• Safety and Environmental Practices: Emphasizes the user’s responsibility to implement appropriate safety, health, and environmental protocols, as well as compliance with regulatory limitations.

Applications

The ASTM D3741-00(2020) standard is widely applied in various sectors dealing with halogenated organic solvents, such as:

• Chemical Manufacturing: Ensures admixtures meet industry appearance requirements, facilitating product consistency and purity.
• Quality Control Laboratories: Utilized during incoming material inspection and production quality checks for quick visual screening.
• Fire Extinguishing Agents: Relevant for evaluating solvents and admixtures in fire suppression systems, where the presence of extraneous materials can impact performance.
• Environmental and Safety Auditing: Helps identify the presence of undesirable contaminants early, supporting workplace safety and environmental stewardship.
• Regulatory Compliance: Assists manufacturers and users in demonstrating adherence to internationally recognized standards and quality control processes.

These test methods are essential for preventing the use of contaminated solvents that could compromise processes or end-product quality.

Related Standards

For a comprehensive approach to the assessment of halogenated organic solvents and their mixtures, consider these related standards:

• ASTM D2109: Standard Test Methods for Halogenated Organic Solvents and Their Admixtures
• ASTM D5633: Standard Practice for Handling and Use of Halogenated Organic Solvents
• ISO Standards: Relevant ISO standards addressing solvents and admixtures, particularly in industrial and laboratory contexts.

By referencing ASTM D3741-00(2020) alongside these standards, organizations can enhance the reliability and safety of halogenated solvent management processes.

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Keywords: appearance test, halogenated hydrocarbons, organic solvents, ASTM D3741, solvent admixtures, quality control, visual inspection, suspended particles, sediment, contamination, SI units, solvent standards

Standards Content (Sample)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D3741 − 00 (Reapproved 2020)
Standard Test Methods for
Appearance of Admixtures Containing Halogenated Organic
Solvents
This standard is issued under the fixed designation D3741; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope glass plate and directed with uniform intensity through the
tube, and should be shielded so that no light enters the tube
1.1 These test methods cover the visual determination of the
from the side.
physical appearance of admixtures containing halogenated
hydrocarbons. These test methods are qualitative test methods.
4. Procedure
1.2 The values stated in SI units are to be regarded as
4.1 Vigorously shake the sample to distribute any solid
standard. No other units of measurement are included in this
matter that may be deposited on the bottom of the container.
standard.
Transfer the sample to the tube and cap the tube.
1.3 This standard does not purport to address all of the
4.2 Place the tube in the viewing stand. Observe the sample
safety concerns, if any, associated with its use. It is the
through the longitudinal direction of the tube, looking for
responsibility of the user of this standard to establish appro-
suspended particles, floaters, sediment, turbidity, foaming, or
priate safety, health, and environmental practices and deter-
free water.
mine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accor-
5. Report
dance with internationally recognized principles on standard-
5.1 Report the following information:
ization established in the Decision on Principles for the
5.1.1 Report extraneous contaminants as suspended or float-
Development of International Standards, Guides and Recom-
ing matter, sediments, turbidity, or free water.
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
6. Precision and Bias
2. Significance and Use
6.1 This is a pass/fail test. It is not the intent of this test
2.1 These test methods are useful for determining the method to provide a method for determining extraneous matter
appearance of halogenated hydrocarbons and their admixtures.
on a quantitative basis.
7. Keywords
TEST METHOD A—USING NESSLER TUBES
7.1 appearance; chlorinated organic solvents; organic sol-
vents; solvents
3. Apparatus
3.1 Color Comparison Tube, 100 mL tall-form Nessler.
Tubes should be selected so that the height of the 100 mL
TEST METHOD B—USING A CLEAR, COLORLESS
graduation mark is 275 mm to 295 mm above the bottom of the
GLASS BOTTLE
tube with ground glass cap.
8. Apparatus
3.2 Viewing Stand, constructed to permit visual observation
of light transmitted through the Nessler tube in the direction of
8.1 Clear, Colorless Sample Bottle.
its longitudinal
...