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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There are other instruments available for color matching which would be expected f1544 give similar results, but the statement above applies only to the instrument checked. Permission rights to photocopy the standard may also be secured from the ASTM website www.

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The specifications and approximate composition of these solutions are given in Test Method D — 58 T. Please copy and paste this embed script to where you want to embed Embed Script.

ASTM D – 98 Standard Test Method for Color of Transparent Liquids (Gardner Color Scale)

Significance and Use 3. Some ashm 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 This standard has been approved for use by agencies of the Department of Defense. NOTE 2—The precision data were obtained using an instrument in which two standards are viewed simultaneously. Viscosity tubes, as described in Test Method D, are satisfactory. Aatm application to other materials has not been tested.


ASTM D1544-04 (2010)

The calibration of glass standards should be verified prior to use; a suitable procedure for their calibration is contained axtm Appendix X1. Please help us to share our service with your friends.

We need your help! Thank you for interesting in our services. Current edition approved June 1, Alternatively equip the spectrophotometer with a condensing lens to accomplish this purpose. 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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This standard is subject to revision f1544 any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. We are a non-profit group that run this website to share documents. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Originally e1544 in 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. 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.

Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. 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.


ASTM D – 04 Standard Test Method for Color of Transparent Liquids (Gardner Color Scale)

No other units of measurement are included in this standard. 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. 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.

The color shall be produced by the glass components only.

If more precise measurements are needed, report as either matching a standard or lighter or darker. A number in dd1544 indicates the year of last reapproval. If the material is perceptibly cloudy, first filter it. Precision and Bias 7. The apparatus may be of any design, but should have the following characteristics: Please fill this form, we will try to respond as soon as possible. Last previous edition approved in as D — NOTE 1—If desired, liquid standards matching the colors given in Table 1, in glass tubes similar to the sample tubes may be used.