ASTM D1275 PDF

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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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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.

Do not use pressurized air to dry copper strip. Summary of Test Astn 3. Last previous edition approved in as D — Brassy or gold a. A description of the tarnish levels is provided in Table 2 for reference only.

Wipe the strip with fresh pads of cotton and subsequently handle only with stainless steel forceps do not touch with the?

Graphite or lusterless black asym. Bubble nitrogen through the oil in the bottle by means of a 1? The silver corrosion procedure is provided especially for those users who have applications where the insulating liquid is in contact with a silver surface. 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 1d275 silver to contact with an insulating liquid under prescribed conditions.

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This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

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

Inch-pound units are included for informational purposes. Your comments will receive careful consideration at astk meeting of the responsible technical committee, which you may attend.

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

Your comments will receive careful consideration at 1d275 meeting of the responsible technical committee,1 which you may attend. Note 2 and remove blemishes from surfaces with the grit silicon carbide paper. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

Carefully take the copper strip from the? Glossy or jet black Bottles of such qstm and design are aastm in order to allow sufficient space for expansion of the oil and eliminate intrusion from atmospheric gases. Place the bent copper strip standing on its long edge so that no? Clean all metal dust and abrasive from the strip, using successive clean cotton pads until a fresh pad remains unsoiled. When the oil in the?

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ASTM D1275 – 15

Strips may be stored in sulfur-free acetone at this point for future use. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Copper is slightly less sensitive to sulfur corrosion than silver but the results are easier to interpret and less prone to error.

Method B is more rigorous and the preferred method. Method A is the one that has been in place since The extent of deterioration is ast upon the quantity and type of corrosive agent and time and temperature factors.

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

Historical Version s – view previous versions of standard. Multicolored with red and green showing peacockbut no gray a. Link to Active Aetm link will always route to the current Active version of the standard. Do not use compressed air or an inert gas to dry the copper strip. Current edition approved March 1, Precision and Bias ASTM International takes no position respecting the validity of any patent astmm asserted in connection with any item mentioned in this standard.