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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Originally approved in We need your help! These may be filled with potassium chloroplatinate for d15444 light colors and solutions of ferric chloride and cobalt chloride in hydrochloric acid for the darker colors.

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ASTM D1544-04 (2010)

The calibration of glass standards should be verified prior to use; a suitable procedure for their calibration is contained in Appendix X1. 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.

No further reproductions authorized. ASTM International takes no atsm respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. The apparatus may be of any design, but should have the following characteristics: 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.


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 NOTE 2—The precision data were obtained using an instrument in which two standards are viewed simultaneously.

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In any one set, no two standards shall be closer together than two thirds of asm difference in x or y between corresponding reference standards. The specifications and approximate composition of these solutions are given in Test Method D — 58 T. We are a non-profit group that run this website to share documents.

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

Last previous edition approved in as D — 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. A number in parentheses indicates the year of last reapproval.

No other units of measurement are included in this standard. Your comments are invited either for revision of this standard or for additional aatm and should be addressed to ASTM International Headquarters. The color shall be produced by the glass components only.

Size px x x x x There are other instruments available for color matching which would be expected to give asym results, but the statement above applies only to the instrument checked. This standard has qstm approved for use by agencies of the Department of Defense.


Precision and Bias 7. 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.

Significance and Use 3. Viscosity tubes, as described in Test Method D, are satisfactory. Current edition approved June 1, 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. Permission rights to photocopy the standard may also be secured from the ASTM website www. We need your help to maintenance this website. Its application to other materials has not been tested.

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

Please help us to share our service with your friends. Alternatively equip the spectrophotometer with a condensing lens to accomplish this purpose. NOTE 1—If desired, liquid standards matching the colors given in Table 1, in glass tubes similar to the sample tubes may be used. 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.

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

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