ASTM D1275 PDF

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ASTM D – Designation: D – 06 /98 Standard Test Method for Corrosive Sulfur in Elec. ASTM D Standard Test Method for Corrosive Sulfur in Electrical Insulating Liquids. standard by ASTM International, 11/15/ View all product details. At that time ASTM D was the only method under the jurisdiction of ASTM Committee D-. 27 on Electrical Insulating Liquids and Gases. The method, which .

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ASTM D1275 – 15

Originally approved in It is the d12755 of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory aetm prior to use. Current edition approved March 1, The presence of corrosive sulfur compounds will result in deterioration of these metals. Polished Strip 1 Slight tarnish If you feel that your comments have not received a fair hearing you should make zstm views known to the ASTM Committee on Standards, at the address shown below.

The extent of deterioration is dependent upon the quantity and type of corrosive agent and time and temperature factors. Clean all metal dust and abrasive from the strip, using successive clean cotton pads until a fresh pad remains unsoiled. Preparation of Apparatus 7.

Multicolored with red and green showing peacockbut no gray a. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of d2175 of such rights, are entirely their own responsibility. This standard is subject to revision at any time by the responsible technical committee and must be d125 every?

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Method B is more rigorous and the preferred method. Place the bent copper strip standing on its long edge so that no? Copper is slightly less sensitive to sulfur corrosion than silver but the results are easier to interpret and less prone to error.

This test method is designed to detect the presence of, or the adtm to form, free elemental sulfur and corrosive sulfur compounds by subjecting copper to contact with oil under prescribed conditions. Interpretation of Results If the oil visibly darkens during testing then most likely oxygen has entered the vessel and oxidized the oil.

Description Unable to reproduce upon aging so no description is provided a. The silver corrosion procedure is provided especially asym those users who have applications where the insulating liquid is in contact with a silver surface.

Last previous edition approved in as D — A circulating hot-air oven is preferred. Transparent black, dark gray or brown with peacock green barely showing b.

ASTM D – 15 – Standard Test Method for Corrosive Sulfur in Electrical Insulating Liquids

A superscript epsilon e indicates an editorial change since the last revision or reapproval. Inch-pound units are included for informational purposes. Abrasive powders are classi? Wipe the strip with fresh pads of cotton and subsequently handle only with stainless steel forceps do not touch with the?

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This test method is designed to detect the presence of, or the propensity to form, free elemental sulfur and corrosive sulfur compounds by subjecting copper or silver to contact with an insulating liquid under prescribed conditions. Brassy or gold a.

Do not use pressurized air to dry copper strip. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

When the oil in the? Rub in the direction of the long axis of the strip.

Carefully take the copper strip from the? Referenced Documents purchase separately The documents listed below are referenced within the subject asm but are not provided as part of the standard. Strips may be stored in sulfur-free acetone at this point for future use.

ASTM D – 15 Standard Test Method for Corrosive Sulfur in Electrical Insulating Liquids

ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Summary of Test Methods 3. NOTE 2—It has been found convenient to polish a larger piece of copper from which, after the?