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ASTM D801-02(2013)

(Test Method)

Standard Test Methods for Sampling and Testing Dipentene

Standard Test Methods for Sampling and Testing Dipentene

SIGNIFICANCE AND USE
3.1 The testing procedures described in these test methods have been in use for many years and emphasize the physical properties rather than the chemical composition of dipentene. These procedures were sufficient when dipentene was used primarily as a solvent. Currently, however, dipentene finds application as a chemical raw material and a knowledge of its chemical composition is therefore important. Test Methods D6387 describe a capillary gas chromatography method which is suitable for determining both the major and minor components found in dipentene.
SCOPE
1.1 These test methods cover procedures for sampling and testing dipentene and related terpene solvents, consisting chiefly of monocyclic terpene hydrocarbons distilling above the range for turpentine.  
1.2 The procedures given in these test methods appear in the following order:    
Section  
Sampling  
4  
Detection and Removal of Separated Water  
5  
Appearance  
6  
Color  
7  
Odor  
8  
Specific Gravity  
9  
Refractive Index  
10  
Composition  
11  
Flash Point  
12  
Moisture  
13
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.4 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.

General Information

Status
Historical
Publication Date
31-May-2013
ICS
87.060.30 - Solvents
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.34 - Pine Chemicals and Hydrocarbon Resins
Current Stage
Ref Project

Relations

Replaces
ASTM D801-02(2009) - Standard Test Methods for Sampling and Testing Dipentene
Effective Date
01-Jun-2013
Referred By
ASTM E1405-98(2022) - Standard Specification for Laboratory Glass Distillation Flasks
Effective Date
01-Jun-2013
Referred By
ASTM D6387-19 - Standard Test Methods for Composition of Turpentine and Related Terpene Products by Capillary Gas Chromatography
Effective Date
01-Jun-2013

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ASTM D801-02(2013) - Standard Test Methods for Sampling and Testing Dipentene
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D801 − 02 (Reapproved 2013)
Standard Test Methods for
Sampling and Testing Dipentene
This standard is issued under the fixed designation D801; 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 D6166 Test Method for Color of Pine Chemicals and Re-
lated Products (Instrumental Determination of Gardner
1.1 These test methods cover procedures for sampling and
Color)
testing dipentene and related terpene solvents, consisting
D6387 Test Methods for Composition of Turpentine and
chiefly of monocyclic terpene hydrocarbons distilling above
Related Terpene Products by Capillary Gas Chromatogra-
the range for turpentine.
phy
1.2 Theproceduresgiveninthesetestmethodsappearinthe
E300 Practice for Sampling Industrial Chemicals
following order:
3. Significance and Use
Section
Sampling 4
3.1 The testing procedures described in these test methods
Detection and Removal of Separated Water 5
have been in use for many years and emphasize the physical
Appearance 6
Color 7
properties rather than the chemical composition of dipentene.
Odor 8
These procedures were sufficient when dipentene was used
Specific Gravity 9
Refractive Index 10 primarily as a solvent. Currently, however, dipentene finds
Composition 11
application as a chemical raw material and a knowledge of its
Flash Point 12
chemical composition is therefore important. Test Methods
Moisture 13
D6387 describe a capillary gas chromatography method which
1.3 The values stated in SI units are to be regarded as
is suitable for determining both the major and minor compo-
standard. No other units of measurement are included in this
nents found in dipentene.
standard.
1.4 This standard does not purport to address all of the 4. Sampling
safety concerns, if any, associated with its use. It is the
4.1 Sample the material in accordance with the procedure
responsibility of the user of this standard to establish appro-
described in Guide D268 and Practice E300. If a sample from
priate safety and health practices and determine the applica-
close to the bottom of a tank shows a decided difference in
bility of regulatory limitations prior to use.
colororappearancefromsamplestakenatotherdepths,takean
extra bottom sample and examine it separately from the
2. Referenced Documents
composite sample. In such case the composite sample shall not
2.1 ASTM Standards:
include any portion of such bottom sample.
D268 Guide for Sampling and Testing Volatile Solvents and
5. Detection and Removal of Separated Water
Chemical Intermediates for Use in Paint and Related
Coatings and Material
5.1 Draw a portion of the dipentene by means of a glass or
D890 Test Method for Water in Liquid Pine Chemicals
metal container with a removable stopper or top, or with a
D1209 Test Method for Color of Clear Liquids (Platinum-
thief, from the lowest part of the container, or by opening the
Cobalt Scale)
bottom valve of the level tank car. If water is found to be
present, draw it all out, record the quantity, and deduct it from
the total volume of liquid delivered.
These test methods are under the jurisdiction of ASTM Committee D01 on
Paint and Related Coatings, Materials, and Applications and are the direct
6. Appearance
responsibility of Subcommittee D01.34 on Pine Chemicals and Hydrocarbon
Resins.
6.1 Examine a portion of the sample after agitation to
Current edition approved June 1, 2013. Published June 2013. Originally
determine its clarity and freedom from foreign matter and
approved in 1944. Last previous edition approved in 2009 as D801 – 02 (2009).
DOI: 10.1520/D0801-02R13. separated water.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on Detailed description of equipment suitable for such sampling is given in
the ASTM website.
...

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SIGNIFICANCE AND USE
3.1 The testing procedures described in these test methods have been in use for many years and emphasize the physical properties rather than the chemical composition of dipentene. These procedures were sufficient when dipentene was used primarily as a solvent. Currently, however, dipentene finds application as a chemical raw material and a knowledge of its chemical composition is therefore important. Test Methods D6387 describe a capillary gas chromatography method which is suitable for determining both the major and minor components found in dipentene.
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Section  
Sampling  
4  
Detection and Removal of Separated Water  
5  
Appearance  
6  
Color  
7  
Odor  
8  
Specific Gravity  
9  
Refractive Index  
10  
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11  
Flash Point  
12  
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1.4 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.  
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3.1 Many pine chemical products contain water as a result of the processes used for their production. Typically refined products such as terpenes, pine oil, tall oil fatty acids, and distilled tall oil contain only traces of water, but crude tall oil might contain 0.5 % to 2.5 % of water. Although the Karl Fischer and coulometric methods are most applicable to low levels of moisture, these can be and are used at higher levels. The azeotropic distillation method is generally used at higher levels.
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1.1.1 The Karl Fischer Titration method is based on the reaction between water and a complex reagent2 consisting of iodine, sulfur dioxide, pyridine, and methanol, whereby the iodine is converted to a colorless compound. The appearance of a persistent iodine color in the reaction mixture indicates the complete removal of free water by reaction with the reagent, and the endpoint may be measured colorimetrically. Automatic titrators find this endpoint by the restoration of a current strength when the resistance provided by the presence of water is eliminated. Amperometric automatic titrators find this endpoint by detecting the current flow that occurs once water is eliminated.  
1.1.2 The coulometric titration method determines water content by electronic integration of a current sufficient to generate the precise amount of iodine from the required reagent to react with the water in the sample.  
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SIGNIFICANCE AND USE
5.1 In order to calculate the volatile organic content (VOC) of paints containing EPA exempt solvents, it is necessary to know the acetone, methyl acetate, or parachlorobenzotrifluoride content. This gas chromatographic test method provides a simple and direct way for measuring these solvents. Each analyte is measured with respect to a unique internal standard. For acetone, the internal standard used is acetone-d6, for methyl acetate it is methyl acetate-d3, and for PCBTF it is metachlorobenzotrifluoride (MCBTF). These unique analyte/internal standard pairs behave very nearly as single solvents with respect to evaporation rate and adsorption rate onto a coated silica fiber (SPME) but are separable on a gas chromatograph (GC) capillary column. The only critical analytical technique required for successfully performing this test method is the ability of an analyst to weigh a paint sample and internal standard, corresponding to the analyte of interest, into a septum capped vial. After weighing, solvent evaporation has no effect on the final value of the determination. Since whole paint is not injected into the gas chromatograph, the analytical system is never compromised.
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1.1 This test method is for the determination of acetone, methyl acetate, or parachlorobenzotrifluoride (PCBTF), or combination of any of the three, in paints and coatings, by solid phase microextraction (SPME) headspace sampling, and subsequent injection into a gas chromatograph. It has been evaluated for cellulose nitrate, acrylic, and urethane solvent-borne systems. The established working range of this test method is: acetone, 28 to 90 %; methyl acetate, 12 to 22 %; parachlorobenzotrifluoride, 10 to 17 %. There is no reason to believe that it will not work outside these ranges. A minor modification of this test method would make it suitable for the analysis of the same analytes in water-borne coatings (see Note 1).
Note 1: Water-borne paints are internally standardized and diluted with water followed by addition of solid sodium chloride.  
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.  
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