ASTM D1208-96(2012)

Standard Test Methods for Common Properties of Certain Pigments

SIGNIFICANCE AND USE
3.1 This collection of test methods is used by pigment producers and paint manufacturers for process control, for product acceptance, and for research and development.
SCOPE
1.1 These test methods cover procedures for determining certain properties of pigments. The procedures appear in the following order:    
Dry Pigments  
Sections  
Loss on Ignition and Ash  
4  
Matter Soluble in Water  
5  
Hydrogen Ion Concentration (pH Value)  
6  
Alkalinity or Acidity by Titration  
7 and 8  
Water Content (Distillation Method)  
9 and 10  
Pigment Pastes in Oil  
Water Content (Distillation Method)  
9 and 10  
Pigment Content of Paste in Oil  
11  
Total Volatile Matter in Paste in Oil  
12
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.

General Information

• Status: Historical
• Publication Date: 31-Oct-2012
• ICS: 87.060.10 - Pigments and extenders
• Technical Committee: D01 - Paint and Related Coatings, Materials, and Applications
• Drafting Committee: D01.31 - Pigment Specifications

Relations

• Replaces: ASTM D1208-96(2007) - Standard Test Methods for Common Properties of Certain Pigments
• Effective Date: 01-Nov-2012
• Replaced By: ASTM D1208-96(2019) - Standard Test Methods for Common Properties of Certain Pigments
• Effective Date: 01-Jun-2019
• Referred By: ASTM D605-82(2019) - Standard Specification for Magnesium Silicate Pigment (Talc)
• Effective Date: 01-Nov-2012
• Referred By: ASTM D81-87(2020) - Standard Specification for Basic Carbonate White Lead Pigment
• Effective Date: 01-Nov-2012
• Referred By: ASTM D1648-86(2020) - Standard Specification for Basic Lead Silicochromate Pigment
• Effective Date: 01-Nov-2012
• Referred By: ASTM D6280-98(2020) - Standard Specification for Zinc Phosphate Pigments
• Effective Date: 01-Nov-2012
• Referred By: ASTM D768-01(2019) - Standard Specification for Yellow Iron Oxide Hydrated
• Effective Date: 01-Nov-2012
• Referred By: ASTM D1649-01(2019) - Standard Specification for Strontium Chromate Pigment
• Effective Date: 01-Nov-2012
• Referred By: ASTM D718-86(2020) - Standard Test Methods for Analysis of Aluminum Silicate Pigment
• Effective Date: 01-Nov-2012
• Referred By: ASTM D83-84(2020) - Standard Specification for Red Lead Pigment
• Effective Date: 01-Nov-2012
• Referred By: ASTM D50-90(2023) - Standard Test Methods for Chemical Analysis of Yellow, Orange, Red, and Brown Pigments Containing Iron and Manganese
• Effective Date: 01-Nov-2012
• Referred By: ASTM D85-05(2023) - Standard Specification for Ochre Pigment
• Effective Date: 01-Nov-2012
• Referred By: ASTM D607-82(2019) - Standard Specification for Wet Ground Mica Pigments
• Effective Date: 01-Nov-2012
• Referred By: ASTM D763-06(2019) - Standard Specification for Raw and Burnt Umber Pigments
• Effective Date: 01-Nov-2012
• Referred By: ASTM D209-81(2023) - Standard Specification for Lampblack Pigment
• Effective Date: 01-Nov-2012

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: D1208 − 96 (Reapproved 2012)
Standard Test Methods for
Common Properties of Certain Pigments
This standard is issued under the fixed designation D1208; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope E70 Test Method for pH of Aqueous Solutions With the
Glass Electrode
1.1 These test methods cover procedures for determining
certain properties of pigments. The procedures appear in the
3. Significance and Use
following order:
3.1 This collection of test methods is used by pigment
Dry Pigments Sections
producers and paint manufacturers for process control, for
Loss on Ignition and Ash 4
product acceptance, and for research and development.
Matter Soluble in Water 5
Hydrogen Ion Concentration (pH 6
LOSS ON IGNITION AND ASH
Value)
Alkalinity or Acidity by Titration 7 and 8
Water Content (Distillation Method) 9 and 10 4. Procedure
4.1 Dry about5gofthe sample at 105 6 2°C for 2 h.
Pigment Pastes in Oil
Transfer about1gofthe dried pigment, weighed to 0.1 mg, to
Water Content (Distillation Method) 9 and 10
a previously ignited, weighed porcelain crucible, and ignite at
Pigment Content of Paste in Oil 11
900to1000°Cfor20min.Coolinadesiccatorandweigh.Heat
Total Volatile Matter in Paste in Oil 12
again for 10 min at 900 to 1000°C to check the loss in weight.
1.2 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this
4.2 Calculation—Calculate the percent of loss on ignition,
standard. L, and of ash, A, as follows:
1.3 This standard does not purport to address all of the
L
w
L 5 3100 (1)
safety concerns, if any, associated with its use. It is the
S
responsibility of the user of this standard to establish appro-
W
priate safety and health practices and determine the applica- a
A 5 3100
S D
S
bility of regulatory limitations prior to use.
where:
2. Referenced Documents
L = loss in weight on ignition, g,
w
2.1 ASTM Standards:
A = ash, %,
D95 Test Method for Water in Petroleum Products and
W = weight of ash, g, and
a
Bituminous Materials by Distillation S = specimen weight, g.
D280 Test Methods for Hygroscopic Moisture (and Other
MATTER SOLUBLE IN WATER
Matter Volatile Under the Test Conditions) in Pigments
D1135 Test Methods for Chemical Analysis of Blue Pig-
5. Procedure (Note 1)
ments
5.1 Weigh about 10 g of the sample to 1 mg, and place in a
400-mL beaker.Add 100 mL of water (Note 2), boil for 5 min
1 cool, and transfer quantitatively to a 250-mL volumetric flask.
These test methods are under the jurisdiction of ASTM Committee D01 on
Paint and Related Coatings, Materials, and Applications and are the direct Dilutewithwaterto250mL,mix,andallowtosettle.Filterthe
responsibility of Subcommittee D01.31 on Pigment Specifications.
supernatant liquid through a dry paper (Note 3) and discard the
Current edition approved Nov. 1, 2012. Published November 2012. Originally
first 25 mL. Evaporate 100 mL of the clear filtrate to dryness
approved in 1952. Last previous edition approved in 2007 as D1208 – 96 (2007).
in a weighed flatbottom dish, preferably in an oven at 105 6
DOI: 10.1520/D1208-96R12.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
2°C. Cool and weigh.
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on NOTE 1—This test method is not suitable for use with iron blue
the ASTM website. pigment. Use the conductivity method given in Test Methods D1135.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
D1208 − 96 (2012)
NOTE 2—If the pigment is found to be strongly water-repellent, wet the
Alkalinity or acidity 5 mL of NaOH or H SO 30.8 (3)
2 4
sample with a small amount of alcohol or carry out a preliminary washing
with chloroform.
WATER CONTENT
NOTE 3—Water-dispersible pigments must be filtered with a suitable
filter pad or the method may not be applicable.
9. Apparatus
5.2 Calculation—Calculate the percent of matter soluble in
9.1 Distillation Apparatus—A water distillation apparatus
water, M, as follows:
consisting of a 250-mL roundbottom flask, a straight-tube
R 32.5
reflux condenser, and a graduated receiving trap similar to Fig.
M 5 3100 (2)
S
1 of Test Method D95.
where:
9.2 Heat Source consisting of a gas burner and oil bath, or
R = residue weight, g, and
an electric heater of the enclosed element type.
S = specimen weight, g.
10. Procedure (Note 5 and Note 6)
HYDROGEN ION CONCENTRATION (pH VALUE)
10.1 Place 50 g of the sample in the flask and add 100 mL
of toluene or of petroleum solvent having a boiling point
6. Procedure
between 110 and 120°C. Mix well. Add more solvent, if
6.1 Determine hydrogen ion concentration in accordance
necessary, to cover the pigment.
with either of the following methods:
10.2 Rinse the inner tube of the condenser with a little
6.1.1 Electrometric Method (Preferred Procedure)—Weigh
toluene or petroleum solvent just before starting the
about5gofthe sample to 10 mg, place in a 150-mL beaker,
distillation, so as to wet the inner surface completely. Distill at
and add 50 g of warm distilled water, freshly boiled to remove
a moderate rate until the volume of condensed water no longer
c
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