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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A circulating hot-air oven is preferred. 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. Description Unable to reproduce upon aging so no description is provided a. Method B is more rigorous and the preferred method.
The extent of deterioration is dependent upon the quantity and asrm of corrosive agent and time and temperature factors. 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. 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.
ASTM D – 15 Standard Test Method for Corrosive Sulfur in Electrical Insulating Liquids
Strips may be stored in sulfur-free acetone at this point for future use. If the oil visibly darkens during testing then most likely oxygen has entered the vessel and oxidized the oil. Polished Strip 1 Slight tarnish In these cases, the test procedure has become compromised and must be repeated.
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
NOTE 2—It has been found convenient to polish a larger piece of copper from which, after the? Current edition approved March 1, Do not use compressed air or an inert gas to dry the copper strip. Bubble nitrogen through the oil in the?
In the United States, abrasive papers are classi? Historical Version s – view previous versions of standard.
Link to Active This link will always route to the current Active version of the standard. Rub in asrm direction of the long axis of the strip.
ASTM D1275 – 15
Method A is the one that has been in place since A superscript epsilon e indicates an editorial change since the last revision or reapproval. Multicolored with lavender blue or silver, or both, overlaid on claret red d. This standard has been adopted for use by government agencies to replace Method of Federal Test Method Standard No.
The presence of corrosive sulfur compounds will result in deterioration of these metals. 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, c1275 deposit is corrosive and is to be reported as such.
This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Magenta overcast on brassy strip b. Inch-pound units are included for informational purposes. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. 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.
Interpretation of Results Wipe the strip with fresh pads of cotton and f1275 handle only with stainless steel forceps do not touch with the? Do not use pressurized air to dry copper strip. Copper is slightly less sensitive to sulfur corrosion than silver but the results are easier to interpret and less prone to error. Preparation of Apparatus 7. The presence of elemental sulfur or corrosive sulfur compounds will result in deterioration of these metals and cause conductive or high resistive films to form.
Flasks of such capacity are required in order to allow sufficient space for expansion of the oil. A number in parentheses aztm the year of last reapproval. Quickly screw in the PFTE plug equipped with? Carefully take the copper strip asstm the?