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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ASTM D1275 – 15

Description Unable to reproduce upon aging so no description is provided a. In these cases, the test procedure has become compromised and must be repeated.

Glossy or jet black NOTE 4—The corrosive effects of unstable sulfur compounds present in d12275 oil are reduced when aged under strong oxidizing conditions such as when oxygen is present. Interpretation of Results Bubble nitrogen through the oil in the? Flasks of such capacity are required in order to allow sufficient space for expansion of the oil.

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

This standard is adtm to revision at any time by the responsible technical committee and must be reviewed every? Quickly screw in the PFTE plug equipped with?

Current edition approved March 1, Place the bent copper strip standing on its long edge so that no?

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Method B is more rigorous and the preferred method. Multicolored with lavender blue or silver, or both, overlaid on claret red d. Users of this standard are expressly advised that determination of the validity of any aztm patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations atsm to use.

Originally approved in Summary of Test Methods 3. 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.

Precision and Bias Clean all metal dust and abrasive from the strip, using successive clean cotton pads until a fresh pad remains unsoiled. Method A is the one that has been in place since Rinse with tap water, then with distilled water, and dry in an oven.

Brassy or gold 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. If the oil visibly darkens during testing then most likely oxygen has entered the vessel and oxidized the oil. Graphite or lusterless black c. Do not use compressed air or an d275 gas to dry the copper strip.

The extent of deterioration is dependent upon the quantity and type of corrosive agent and time and temperature factors. Wipe the strip with fresh pads of cotton and subsequently handle only with stainless steel forceps do not touch with the? Detection of these undesirable impurities, even though not in terms of quantitative values, is a means for recognizing the hazard involved.

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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?

Magenta overcast on brassy strip b. Preparation of Apparatus 7. A description of the tarnish levels is provided in Table 2 for reference only.

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

Inch-pound units are included for informational purposes. A circulating hot-air oven is preferred. The presence of elemental sulfur or corrosive sulfur compounds will result asfm deterioration of these metals and cause conductive or high resistive films to form.

Copper is slightly less sensitive to asfm corrosion than silver but the results are easier to interpret and less prone to error. Multicolored with red and green showing peacockbut no gray a.

Abrasive powders are classi? Carefully take the copper strip from the?