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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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Strips may be stored in sulfur-free acetone at this point for future use. Historical Version s – view previous versions of standard.

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.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Lubricate the ground-glass stopper with a small amount of the test specimen. Transparent black, dark gray or brown with peacock green barely showing b.

Method B is more rigorous and the preferred method.

NOTE 1—It should be noted that grit silicon carbide paper and mesh silicon carbide grains have particle sizes of about the same size 63? Bottles of such capacity and design are required in order to allow sufficient space for expansion of the oil and eliminate intrusion from atmospheric gases.

The extent of deterioration is dependent upon the quantity and type of corrosive agent and time and temperature factors. When the oil in the? A number in parentheses indicates the year of last reapproval. Multicolored with lavender blue or silver, or both, overlaid on claret red d. Rinse with tap water, then with distilled water, and dry in an oven. A description of the tarnish levels is provided in Table 2 for reference only. 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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The silver corrosion procedure is provided especially for those users who have applications where the insulating liquid is in contact with a silver surface. 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. It is imperative to keep the?

ASTM D1275 – 15

The presence of corrosive sulfur compounds will result in deterioration of these metals. Magenta overcast on brassy strip b. R1275 orange, almost the same as freshly polished strip b.

In these cases, the test procedure has become compromised and must be repeated. Preparation of Apparatus 7. Bubble nitrogen through the oil in the bottle by means of a 1? If a specimen is borderline or unclear, take a clean laboratory tissue and drag it across the surface with heavy pressure; if any of the deposited material is removed, the deposit is corrosive and is to be reported as such.

Rub in the direction of the long axis of the strip. Wipe the strip with fresh pads of cotton and subsequently handle only with stainless steel forceps do not touch with the? If the oil visibly darkens qstm testing then most likely oxygen has entered the vessel and oxidized the oil.

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

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations d125 to use. Bubble nitrogen through the oil in the? Abrasive powders are classi? A circulating hot-air oven is preferred.

Last previous edition approved in as D — Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend.

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Description Unable to reproduce upon aging so no description is provided a. 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 to contact with oil under prescribed conditions. Multicolored with red and green showing peacockbut no gray a. The extent of deterioration is dependent upon the quantity and type of corrosive agent and time and temperature factors.

Flasks of such capacity are required in order to allow sufficient space for expansion of the oil. This standard has been adopted for use by government agencies to replace Method of Federal Test Method Standard R1275. Link to Active This link will always route to the current Active version of the standard. NOTE 4—The corrosive effects of unstable sulfur compounds present in the oil are reduced when aged asfm strong oxidizing conditions such as when oxygen is present.

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

Polished Strip 1 Slight tarnish Detection of these undesirable impurities, even though not in terms of quantitative values, is a means for recognizing the hazard involved. Carefully take the copper strip from the? 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. Brassy or gold a. Quickly screw in the V1275 plug equipped with?

This is the preferred method. Method A is the one that has been in place since Your comments will receive careful consideration at a meeting of the responsible technical committee,1 which you may attend. Interpretation of Results Graphite or lusterless black c.

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