ASTM D1275 PDF

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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Users of this standard are expressly advised that determination of the validity of any such patent rights, asm the risk of infringement of such rights, are entirely their own responsibility. Do not use compressed air or an inert gas to dry the copper strip. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Graphite or lusterless black c.

Carefully take the copper strip from the?

NOTE 4—The corrosive effects of unstable sulfur compounds present in the oil are reduced when aged under strong oxidizing conditions such as when oxygen is present. The presence of elemental sulfur or corrosive sulfur compounds will result in deterioration of these metals and cause sstm or high resistive films to form.

Rub in the direction of the long axis of the strip.

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

If a specimen is borderline or unclear, take a clean laboratory tissue and drag it across asstm surface with heavy pressure; if c1275 of the deposited material is removed, the deposit is corrosive and is to be reported as such.

When the oil in the? Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

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A number in parentheses indicates the year of last reapproval. Link to Active This link will always route to the current Active version of the standard.

Current edition approved March 1, Brassy or gold a. Magenta overcast on brassy strip b.

ASTM D1275 – 15

Polished Strip 1 Slight tarnish It is the responsibility of the user of this standard to establish appropriate safety and d175 practices and determine the applicability of regulatory limitations prior to use. It is the responsibility of the user of this standard to establish appropriate ast, and health practices and determine the applicability of regulatory limitations prior to use.

Detection of these undesirable impurities, even though not in terms of quantitative values, is a means for recognizing the asttm involved. This test d175 is designed to detect the presence of, or the propensity to form, free elemental sulfur and corrosive sulfur compounds by subjecting copper to contact with oil under d127 conditions. The presence of corrosive sulfur compounds will result in deterioration of these metals. 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.

Note 2 and remove blemishes from surfaces with the grit silicon carbide paper. A description of the tarnish levels is provided in Table 2 for reference only. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Glossy or jet black Strips may be stored in sulfur-free acetone at this point for future use.

Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

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Historical Version s – view previous versions of standard. Interpretation of Results 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.

It is imperative to keep the? Description Ast, to reproduce upon aging so no description is provided a. The silver corrosion procedure is provided especially for those users who have applications where the insulating liquid is in contact with a silver surface. Lubricate the ground-glass stopper with a small amount of the test specimen. Rinse with tap water, then with distilled water, and dry in d11275 oven. Transparent black, dark gray or brown with peacock green barely showing b. A superscript epsilon e indicates an editorial change since the last revision or reapproval.

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

In these cases, the test procedure has become compromised and must be repeated. Detection of these undesirable impurities, even though not in terms of quantitative values, is a means for recognizing the hazard involved.

Method B is more rigorous and the preferred method. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Multicolored with lavender blue or silver, or both, overlaid on claret red d. Inch-pound units are included for informational purposes. NOTE 2—It has been found convenient to polish a larger piece of copper from which, after the?

Your comments will receive careful consideration at a meeting of the responsible technical committee,1 which you may attend.