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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ASTM D standard test method for interfacial tension of If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee c1331 Standards, at the address shown below.

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The presence d13331 solutes other than the surface-active agent should be ascertained and reported qualitatively and quantitatively, insofar as possible. If the recorded dial reading gamma-c is greater than the calculated value, the torsion arm should be shortened. NOTE 4Extreme care must be taken to have the sample vessel and platinum ring clean.



With liquids heavier than water, where the ring must be pushed downward, the interfacial tensiometer should be used. Torsion may be applied to the wire by means of either the dial-adjusting screw which controls the dial reading or a rear adjusting screw. The factor D can be measured by the usual procedures, and the value d can be obtained from published data.

Calibration of Apparatus 5. General Use laboratory apparatus balances, baths, blenders, centrifuges, chart recorders, freezers, fume hoods, furnaces, glassware washers, glove boxes, mixers, moisture testing, ovens, pumps, shakers, vacuum equipment, water purification Enter your personal account email address to request a password reset: The value of V is calculated from the following equation: Next, place an accurately standardized weight of between and mg on the paper platform and turn the dial-adjusting screw until the index level of the arm is opposite the reference line of the mirror.

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ASTM D1331-11 Standard Test Methods for Surface and Interfacial Tension

This value is used in the calculation of the conversion factor, F, mentioned in 5. Lab Equipment for Sale: Click here to download full list of books. Are you sure you want to empty the cart? This is particularly true when the solute is a surface-active material.


Cenco Dunuoy Surface-Tension Tensiometer. Four methods are covered as follows:. Please first log in with a verified email before subscribing to alerts.

Used Brokered item being sold on behalf of owner. Petroleum Products and Biofuel lab apparatus baths, calorimeters, color measurement, density meters, flash point, hydrogenators, oil testing, penetrometers, surface tension, vapor pressure, viscometers and rheometers, You can download and open this file to your d131 computer but DRM prevents opening this file on another computer, including a networked server.

Permission rights to photocopy the standard may also be secured from the ASTM website www. No other units of measurement are included in this standard.

Cenco Dunuoy 70545000 Surface-Tension Tensiometer

Subscription pricing is determined by: No other units of measurement are included in this standard. Also report the temperature at which the determination was made. Compact unit comes with a carrying case for easy transport.

Record the dial reading to 0.

ASTM D Standard Test Methods for Surface and Interfacial Tension

Allow the ring to dry, and then heat to white heat in the oxidizing portion of a gas ame. Enter product namemake or model. Register for a trial account.