Gardner Colour. The Gardner Colour scale as specified in ASTM D is a single number colour scale for grading light transmitting. Scale samples with colour. Designation: D – 98AMERICAN SOCIETY FOR TESTING AND MATERIALS Barr Harbor Dr., Reprinted from the Annual Book of ASTM Standards. Standard Test Method for Color of Transparent Liquids (Gardner Color Scale).
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The d15444 of glass standards should be asstm prior to use; a suitable procedure for their calibration is contained in Appendix X1. Some glass standards 1 This test method is under the jurisdiction of Committee D01 on Paint and Related Coatings, Materials, and Applications and is the direct responsibility of Subcommittee D Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.
Significance and Use 3. If you feel that your comments have s1544 received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. We need your help! The color shall be produced by the glass components only.
ASTM D – 04() Standard Test Method for Color of Transparent Liquids (Gardner Color Scale)
Please copy and paste this embed script to where you want to embed Embed Script. Size px x x x x Precision and Bias 7. The specifications d144 approximate composition of these solutions are given in Test Method D — 58 T. We need your help to maintenance this website.
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. NOTE 1—If desired, liquid standards matching the colors given in Table 1, in glass tubes similar to the sample tubes may be used.
No further reproductions authorized. If the material is perceptibly cloudy, first filter it. Please fill this form, we will try to respond as soon as possible. If more precise measurements are needed, report as either matching a standard or lighter or darker. If the comparator is provided with a separate green filter in front of the light source, place this filter in the reference beam of the dual beam spectrophotometer during calibration of each standard.
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This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. There are other instruments available for color matching which would be expected to give similar results, but the statement above applies only to the instrument checked.
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We are a non-profit group that run this website to share documents. Viscosity tubes, as described in Test Method D, are satisfactory. Its application to other materials has not been tested. Last previous edition approved in as D — NOTE 2—The precision data were obtained using an instrument in which two standards are viewed simultaneously. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
Your comments are invited either for revision of this standard or for additional standards and d154 be addressed to ASTM International Headquarters.
Alternatively equip the spectrophotometer with a condensing lens to accomplish this purpose. ASTM International takes no position respecting the validity of any patent rights d1454 in connection with any item mentioned in this standard.
ASTM D1544-04 (2010)
The apparatus may be of any design, but should have the following characteristics: Originally approved in In any one set, no two standards shall be closer together than two thirds of the difference in x or y between corresponding reference standards. No other units of measurement are included in this standard. A number in parentheses indicates the year of last reapproval. These may be filled with potassium chloroplatinate for the light colors and solutions of ferric chloride and cobalt chloride in hydrochloric acid for the darker colors.
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