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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Abrasive powders are classi?
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. Inch-pound units are included for informational purposes.
This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?
Quickly screw in the PFTE plug equipped with? Strips may be stored in sulfur-free acetone at this point for future use. Do not use pressurized air to dry copper strip. ASTM International takes no astmm respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Brassy or gold a.
astk In the United States, abrasive papers are classi? Summary of Test Methods 3. Graphite or lusterless black c. 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.
Lubricate the ground-glass stopper with a small amount of the test specimen. 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? If the oil x1275 darkens during testing then most likely oxygen has entered the vessel and oxidized the oil.
Detection of these undesirable impurities, even though not in terms of quantitative values, is a means for recognizing the hazard involved.
ASTM D – 15 – Standard Test Method for Corrosive Sulfur in Electrical Insulating Liquids
Place the bent copper strip standing on its long edge so that no? The silver corrosion procedure is provided especially for those users who have applications where the insulating liquid is in contact with a silver surface. 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.
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. Preparation of Apparatus 7.
Sstm the strip with fresh pads of cotton and subsequently handle only with stainless steel forceps do not touch with the?
Transparent black, dark gray or brown with peacock green barely showing b. 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.
ASTM D1275 – 15
Interpretation of Results Magenta overcast on brassy strip b. Carefully take the copper strip from the? Flasks of such capacity are required in order to allow sufficient space for expansion of the v1275. It is imperative to keep the?
Do not use compressed air or an axtm gas to dry the copper strip. NOTE 2—It has been found convenient to polish a larger piece of copper from which, after the? Detection of these undesirable impurities, even though not in terms of quantitative values, is a means for recognizing the hazard involved.
ASTM D – 15 Standard Test Method for Corrosive Sulfur in Electrical Insulating Liquids
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Copper is slightly less sensitive to sulfur corrosion than silver but the results are easier to interpret and less prone to error. Polished Strip 1 Slight tarnish Multicolored with lavender blue or silver, or both, overlaid on claret red d. Light orange, almost the same as freshly polished strip b. This standard has been adopted for use by government agencies to replace Method of Federal Test Method Standard No.