ASTM D1331 PDF

Find the most up-to-date version of ASTM D at Engineering ASTM D; ASTM D; ASTM D; ASTM C () .. ASTM D; ASTM D; ISO ; OECD ; EN ; EN. ASTM D – Standard Test Methods for Surface and Interfacial Tension of Solutions of Surface-Active Agents. This standard is a part of ASTM Book of.

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The use of fresh chromic-sulfuric acid cleaning mixture, followed by a thorough rinsing in distilled water, is recommended. A superscript epsilon indicates an editorial change since the last revision or reapproval.

You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Your comments will 1d331 careful consideration at a meeting of the responsible technical committee, which you may attend.

Cenco Dunuoy 70545000 Surface-Tension Tensiometer

Enter product namemake or model. We have no amendments or corrections for this standard. No other units of measurement are included in this standard. Report and adequately specify the nature of the nonaqueous liquid oil used in the determination.

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ASTM-D, –

When set in the instrument, the plane of the ring shall be horizontal, that is, parallel to the surface plane of the liquid being tested. Values of F in5. Material Safety Data R1331 are available for reagents and materials.

More than one solute component may be present, including solute components that are not in themselves surface-active. NOTE 5Since the surface tension of a solution is a function of the concentration, care must be taken that the concentration is adjusted and recorded within x1331 limits.

D 11automatically compensates for the weight of the paper platform. Measures both upward and downward forces.

ASTM D Standard Test Methods for Surface and Interfacial Tension

Repeat the calibration procedure, readjusting the zero position after each change in the length of the torsion arm, until the dial reading agrees with the calculated value. Four methods are covered as follows:. Originally approved in The value of V is calculated from the following equation: Check the plane of the ring, and set the dial and vernier astk zero.

Care should be taken that the solution is physically homogeneous. Method D—Interfacial Tension by Wilhelmy plate. You may delete a document from your Alert Profile at any time. This book also exists in the following packages Contact between the oil and the ring should be avoided during this operation.

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Zstm them for hazards prior to usage. Make the measurement by turning the torsion wire counter-clockwise and simultaneously keeping the ring system in the zero position, as in the measurement of surface tension, until the ring breaks through the interface. We have no document history for this standard. Subscription pricing is determined by: Pull the torsion wire taut by means of the tension screw, and adjust the dial reading and the vernier to zero.

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Calibration consists essentially in adjusting the length of the atsm arm so that the dial scale will read directly in dynes per centimetre. More than one solute component may be present, including solute components that are not in themselves surface-active. A liquid level of the type employed on analytical balances may be used.

Link to Active This link will always route to the current Active version of the standard.