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ASTM D3717-85a(2010)

(Test Method)

Standard Test Method for Low Concentrations of Antimony in Paint by Atomic Absorption Spectroscopy

Standard Test Method for Low Concentrations of Antimony in Paint by Atomic Absorption Spectroscopy

SIGNIFICANCE AND USE
The permissible level of heavy metals in certain coatings is specified by governmental regulatory agencies. This test method provides a fully documented procedure for determining low concentrations of antimony present in both water- and solvent-reducible coatings to determine compliance.
SCOPE
1.1 This test method covers the determination of the content of antimony in the range between 50 and 200 ppm (mg/kg) present in the solids of liquid coatings or in dried films obtained from previously coated substrates. There is no reason to believe that higher levels could not be determined by this test method, provided that appropriate dilutions and adjustments in specimen size and reagent quantities are made.
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. Specific hazard statements are given in Section 7.

General Information

Status
Historical
Publication Date
31-May-2010
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 D3717-85a(2005) - Standard Test Method for Low Concentrations of Antimony in Paint by Atomic Absorption Spectroscopy
Effective Date
01-Jun-2010

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ASTM D3717-85a(2010) - Standard Test Method for Low Concentrations of Antimony in Paint by Atomic Absorption SpectroscopyASTM D3717-85a(2010) - Standard Test Method for Low Concentrations of Antimony in Paint by Atomic Absorption Spectroscopy
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ASTM D3717-85a(2010) - Standard Test Method for Low Concentrations of Antimony in Paint by Atomic Absorption Spectroscopy
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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: D3717 − 85a (Reapproved2010)
Standard Test Method for
Low Concentrations of Antimony in Paint by Atomic
1
Absorption Spectroscopy
This standard is issued under the fixed designation D3717; 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 4. Significance and Use
1.1 This test method covers the determination of the content 4.1 The permissible level of heavy metals in certain coat-
ingsisspecifiedbygovernmentalregulatoryagencies.Thistest
of antimony in the range between 50 and 200 ppm (mg/kg)
present in the solids of liquid coatings or in dried films methodprovidesafullydocumentedprocedurefordetermining
low concentrations of antimony present in both water- and
obtained from previously coated substrates. There is no reason
to believe that higher levels could not be determined by this solvent-reducible coatings to determine compliance.
test method, provided that appropriate dilutions and adjust-
ments in specimen size and reagent quantities are made. 5. Apparatus
1.2 The values stated in SI units are to be regarded as 5.1 Atomic Absorption Spectrophotometer , consisting of an
atomizer and either a single- or three-slot burner; gas pressure
standard. No other units of measurement are included in this
standard. regulating and metering devices for air and acetylene; an
antimonysourcelampwitharegulatedconstantcurrentsupply;
1.3 This standard does not purport to address all of the
a monochromator and associated optics; a photosensitive
safety concerns, if any, associated with its use. It is the
detector connected to an electronic amplifier; and a readout
responsibility of the user of this standard to establish appro-
device.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. Specific hazard 5.2 Muffle Furnace, maintained at 500 6 10°C.
statements are given in Section 7.
5.3 Oven, maintained at 105 6 2°C.
5.4 Hot-Plate, with variable surface temperature control
2. Referenced Documents
over the range from 70 to 200°C.
2
2.1 ASTM Standards:
5.5 Reflux Condenser, water-cooled, and fitted with a
D1193 Specification for Reagent Water
standard-taper joint.
D2832 GuideforDeterminingVolatileandNonvolatileCon-
tent of Paint and Related Coatings
5.6 Erlenmeyer Flask, 125-mL, with standard-taper joint to
fit condenser.
3. Summary of Test Method
5.7 Volumetric Flasks, 100 and 1000-mL.
3.1 The sample of liquid coating or dried film is prepared
1 1
5.8 Dropping Bottles, 8 or 15-mL ( ⁄4 or ⁄2-oz) capacity.
for analysis by dry ashing at 500°C, followed by refluxing with
hydrochloric acid and stannous chloride.The antimony content
5.9 Glass or Disposable Syringes, 10-mL capacity.
of the acid extract is determined by atomic absorption spec-
5.10 Pipets, 1, 5, 10, and 15-mL capacity.
troscopy.
5.11 Filter Paper, ashless, medium or slow filtering.
5.12 Paint Shaker.
1
This test method is under the jurisdiction of ASTM Committee D01 on Paint
5.13 Paint Draw-Down Bar.
and Related Coatings, Materials, andApplications and is the direct responsibility of
Subcommittee D01.21 on Chemical Analysis of Paints and Paint Materials.
Current edition approved June 1, 2010. Published June 2010. Originally
6. Reagents
approved in 1978. Last previous edition approved in 2005 as D3717 – 85a (2005).
DOI: 10.1520/D3717-85AR10.
6.1 Purity of Reagents—Reagent grade chemicals shall be
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
used in all tests. Unless otherwise indicated, it is intended that
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
all reagents shall conform to the specifications of the Commit-
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. tee onAnalytical Reagents of theAmerican Chemical Society,
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D3717 − 85a (2010)
3
where such specifications are available. Other grades may be 8.5 Aspirate the blank solution. When the recorder, meter,
used, provided it is first ascertained that the reagent is of or other readout device reaches a constant value, it should be
sufficiently high purity to permit its use without lessening the immediately zeroed. Repeat this blank determination until a
accuracy of the determination. steady, repeatable zero value is obtained at the maximum
response.
6.2 Purity of Water—Unless otherwise indicated, references
to water shall be understood to mean reagent grade water 8.6 Aspirat
...

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