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ASTM D5325-03

(Test Method)

Standard Test Method for Determination of Weight Percent Volatile Content of Water-Borne Aerosol Paints

Standard Test Method for Determination of Weight Percent Volatile Content of Water-Borne Aerosol Paints

SIGNIFICANCE AND USE
Calculation of the weight percent volatile organic content of water-borne paints, requires that the water content be known. This test method provides a direct way to determine the weight percent volatile organic matter of water-borne aerosol paints minus the matter content. This test method is modeled after Method 364 .
SCOPE
1.1 This test method is for the determination of the weight percent volatile content of water-borne paints in aerosols.
1.2 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
09-Jan-2003
ICS
87.040 - Paints and varnishes
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.21 - Chemical Analysis of Paints and Paint Materials
Current Stage
Ref Project

Relations

Replaces
ASTM D5325-92(1997) - Standard Test Method for Determination of Weight Percent Volatile Content of Water-Borne Aerosol Paints
Effective Date
10-Jan-2003
Replaced By
ASTM D5325-03(2008)e1 - Standard Test Method for Determination of Weight Percent Volatile Content of Water-Borne Aerosol Paints
Effective Date
01-Nov-2008

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ASTM D5325-03 - Standard Test Method for Determination of Weight Percent Volatile Content of Water-Borne Aerosol PaintsASTM D5325-03 - Standard Test Method for Determination of Weight Percent Volatile Content of Water-Borne Aerosol Paints
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ASTM D5325-03 - Standard Test Method for Determination of Weight Percent Volatile Content of Water-Borne Aerosol Paints
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D5325–03
Standard Test Method for
Determination of Weight Percent Volatile Content of Water-
1
Borne Aerosol Paints
This standard is issued under the fixed designation D5325; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 5. Apparatus
1.1 This test method is for the determination of the weight 5.1 Freezer.
percent volatile content of water-borne paints in aerosols. 5.2 Ice Pick.
1.2 This standard does not purport to address all of the 5.3 Hammer.
safety concerns, if any, associated with its use. It is the 5.4 Applicator Sticks.
responsibility of the user of this standard to establish appro- 5.5 Masking Tape.
priate safety and health practices and determine the applica- 5.6 Tin Snips or Metal Cutter.
bility of regulatory limitations prior to use. 5.7 Shaker, similar to Eberbach shaker in Fig. 1.
2. Referenced Documents 6. Procedure
2.1 ASTM Standards: 6.1 Preparation of Aerosol Contents for Analysis:
2
D2369 Test Method for Volatile Content of Coatings 6.1.1 Mix the aerosol paint container thoroughly for about
D3792 Test Method for Water Content of Coatings by 15min,usingashakersimilartotheEberbachshakershownin
2
Direct Injection into a Gas Chromatograph Fig. 1, at the low speed setting. It is essential that the samples
D4017 TestMethodforWaterinPaintsandPaintMaterials be well mixed to obtain valid results.
2
by Karl Fischer Method 6.1.2 Removethecapandactuatorfromthecan.Putthecap
E180 Practice for Determining the Precision of ASTM on the can and weigh the can to 0.01 g.
Methods for Analysis and Testing of Industrial and Spe- 6.1.3 Place the can in an upside down position in a freezer
3
cialty Chemicals for2hata temperature that is 0°C.
2.2 Other Standard: 6.1.4 Put the can upside down in a fume hood. Puncture the
Method36 DeterminationofPercentVolatileOrganicCom- bottom of the can near the edge with a very sharp ice pick.
4
pounds (VOC) in Water Based Aerosol Paints Slowly remove the ice pick from the hole. Leave the hole
uncovered for about 12 to 16 h to allow most of the propellant
3. Summary of Test Method
to escape.
3.1 The propellant is released from the can and the content
6.1.5 Enlarge the hole slightly by tapping the ice pick
remaining is tested for percent water and nonvolatiles. further into the can. Swirl the can gently for 1 to 2 min to
remove any remaining propellant.
4. Significance and Use
6.1.6 Wipe off any condensate that may have accumulated
4.1 Calculation of the weight percent volatile organic con-
on the can. Weigh the can to 60.01 g.
1
tent of water-borne paints, requires that the water content be
6.1.7 Plug the hole with a small applicator stick (about ⁄2
known.Thistestmethodprovidesadirectwaytodeterminethe
cm long) and then place masking tape over the plugged hole.
weight percent volatile organic matter of water-borne aerosol
6.1.8 Place the can on the shaker in a position so that the
paints minus the matter content. This test method is modeled
hole is at the highest possible position to prevent leakage of
4
after Method36 .
contents. Shake the can for about 15 min at the low speed
setting.
6.1.9 Cut the bottom of the can using a metal cutter. Stir the
1
This test method is under the jurisdiction of ASTM Committee D01 on Paint
contents with a spatula, then transfer the contents to a pint can
and Related Coatings, Materials, andApplications and is the direct responsibility of
Subcommittee D01.21 on Chemical Analysis of Paints and Paint Materials. with lid.
Current edition approved Jan. 10, 2003. Published March 2003. Originally
6.1.10 Rinse the aerosol can, agitators, and bottom several
approved in 1992. Last previous edition approved in 1997 as D5325-92(1997).
timesusingsolvent.Allowthecan,agitators,andthebottomto
2
Annual Book of ASTM Standards, Vol 06.01.
3
dry. Weigh to 60.01 g.
Annual Book of ASTM Standards, Vol 15.05.
4
Bay Area Air Quality Management District, (BAAQMD) Manual of Proce-
dures, Vol III, 939 Ellis St., San Francisco, CA 94109.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D5325–03
7.4 Determine the water content of the coating in accor-
dance with Test Method D3792 or Test Method D4017.
7.5 The weight percent volatile content (VC), equals total
volatile percent TV, minus percent of water.
7.6 The percent of grams of volatile content/grams of solids
VC
equals .
TNV
8. Precision and Bias
8.1 Precision—Estimates are based on an interlaboratory
FIG. 1 Aerosol Can on Eberbach Shaker study in which 1 operator in ea
...

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