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 apparatus may be of any design, but should have the following characteristics: Originally approved in NOTE 2—The precision data were obtained using an instrument in which two standards are viewed simultaneously. We are a non-profit group that run this website to share documents.
Last previous edition approved in as D — The specifications and approximate composition of these solutions are zstm in Test Method D — 58 T.
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ASTM D – 04() Standard Test Method for Color of Transparent Liquids (Gardner Color Scale)
This standard has been approved for use by agencies of the Department of Defense. Alternatively equip the spectrophotometer with a condensing lens to accomplish this purpose. If the comparator is provided with a separate aatm filter in front of the light source, place this filter in the reference beam of the dual beam spectrophotometer during calibration of each standard. Precision and Bias 7.
The calibration of glass standards should be verified prior to d1544 a suitable procedure for their calibration is contained in Appendix X1. No other units of measurement are included in this standard.
Permission rights to photocopy the standard may also be secured from the ASTM website www. 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.
Please help us to share our service with your friends. Viscosity tubes, as described in Test Method D, are satisfactory.
ASTM D1544-04 (2010)
Current edition approved June 1, d15444 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by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.
If the material is perceptibly cloudy, first filter it. Significance and Use 3. The color shall be produced by the glass components only. Size px x x x x 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.
Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.
Thank you for interesting in our services. NOTE 1—If desired, liquid standards matching the colors given in Table 1, in glass tubes similar to the sample tubes may be used. Satm 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. A number in parentheses indicates the year of last reapproval.
ashm We need your help! ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. 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.
If more precise measurements are needed, report as either matching a standard or lighter or darker.
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. Please copy and paste this embed script to where you want to embed Embed Script. 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 We need your help to maintenance this website.
Its application to other materials has not been tested. Your comments will receive careful adtm at a meeting of the responsible technical committee, which you may attend.