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ASTM D3741-00(2020)

(Test Method)

Standard Test Methods for Appearance of Admixtures Containing Halogenated Organic Solvents

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
Current Stage
Ref Project

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 D7509-09(2021) - Standard Specification for Fluorocarbon Feedstock Grade Chloroform
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 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 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 D5395-03(2023) - Standard Specification for Reclaimed Methylene Chloride
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 D5396-04(2020) - Standard Specification for Reclaimed Perchloroethylene
Effective Date
01-Apr-2020
Referred By
ASTM D4701-00(2020) - Standard Specification for Technical Grade Methylene Chloride
Effective Date
01-Apr-2020

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ASTM D3741-00(2020) - Standard Test Methods for Appearance of Admixtures Containing Halogenated Organic SolventsASTM D3741-00(2020) - Standard Test Methods for Appearance of Admixtures Containing Halogenated Organic Solvents
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ASTM D3741-00(2020) - Standard Test Methods for Appearance of Admixtures Containing Halogenated Organic Solvents
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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
...

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4.1 High water concentrations can have a detrimental effect on many uses of halogenated solvents.  
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1.1.2 Test Method B, Water Determination Using a Volumetric KF Titrator—The volumetric test method is a more traditional approach to KF water determinations. Although titrators are specifically designed for KF volumetric determinations, many automatic titrators on the market can be adapted to perform KF titrations.  
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3.1 The pH of halogenated solvents varies according to the nature of stabilizers in the particular solvent. Solvents with alkaline stabilizers (amine-types) generally have pHs in the 7 to 11 range, whereas solvents containing neutral stabilizers (epoxide-types) generally have pHs in the 5 to 7 range.  
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SCOPE
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