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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NOTE 1—If desired, liquid standards matching the colors given in Table 1, in glass tubes similar to the sample tubes may be used. 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.
Viscosity tubes, as described in Test Method D, are satisfactory.
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. Its application to other materials sstm not been tested.
ASTM D – 04 Standard Test Method for Color of Transparent Liquids (Gardner Color Scale)
A number in parentheses indicates the year of last reapproval. Precision and Bias 7. Originally approved in We need your help!
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ASTM D1544-04 (2010)
Last previous edition approved in as D — No further reproductions authorized. If the material is perceptibly cloudy, first filter it. 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.
No other units of measurement are included in this standard. 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 Significance and Use 3. Please copy and paste this embed script to where you want to embed Embed Script. 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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ASTM D () – Free Download PDF
This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five axtm and if not d154, either reapproved or withdrawn. Alternatively equip the spectrophotometer with a condensing lens to accomplish this purpose. Size px x x x x The calibration of glass standards should be verified prior to use; a suitable procedure for their calibration is contained in Appendix X1. The apparatus may be of any design, but should have the following characteristics: Permission rights to photocopy the standard may asgm be secured from the ASTM website www.
Current edition approved June 1, 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.
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.
The sstm and approximate composition of these solutions are given in Test Method D — 58 T. 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.
This standard has been asym for use by agencies of the Department of Defense. 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.
The color shall be produced by the glass components only.
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