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ISO 13759 Petroleum products - Determination of alkyl nitrate in diesel fuels -
ISO 13759 Petroleum products - Determination of alkyl nitrate in diesel fuels - Spectrometric method6 Preparation of calibration curve6.1 Not more than 24 h before each determination, prepare calibration curves in accordance with the procedure described in 6.2 to 6.11.6.2 Carefully measure 1.0 ml, 3.0 ...
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ISO 13759 Petroleum products - Determination of alkyl nitrate in diesel fuels -
ISO 13759 Petroleum products - Determination of alkyl nitrate in diesel fuels - Spectrometric method4 ReagentsFor the analysis described in this International Standard, use only reagents of recognized analytical grade, and water complying with the requirements of Grade 3 of ISO 3696.4.1 Acetic acid (CH3COOH), ...
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ISO 13759 Petroleum products - Determination of alkyl nitrate in diesel fuels -
ISO 13759 Petroleum products - Determination of alkyl nitrate in diesel fuels - Spectrometric methodWARNING - The use of this International Standard may involve hazardous materials, operations and equipment. This standard does not purport to address all of the safety problems associated with its use. ...
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ISO 10370 Petroleum products - Determination of carbon residue - Micro method
ISO 10370 Petroleum products - Determination of carbon residue - Micro method11 Expression of resultsReport results obtained from Formula as "Carbon residue - micro method" to the nearest 0.01 % (m/m).Or report carbon residue micro method on 10 % (V/V) residue to the nearest 0.01 % (m/m).12 Precision12.1 ...
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ISO 10370 Petroleum products - Determination of carbon residue - Micro method
ISO 10370 Petroleum products - Determination of carbon residue - Micro method9 Test procedure9.1 With the oven at a temperature < 100 °C, place the vial holder, loaded as in 8.3, into the oven chamber and secure lid. Purge with nitrogen for at least 10 min at 600 ml/min. Subsequently, decrease the ...
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ISO 10370 Petroleum products - Determination of carbon residue - Micro method
ISO 10370 Petroleum products - Determination of carbon residue - Micro method7 Sample preparation7.1 General instructionsFor samples which consist essentially of distillate material, either follow the preparation as in 7.2 or prepare a distillation residue following a modified procedure of ISO 3405, ...
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ISO 10370 Petroleum products - Determination of carbon residue - Micro method
ISO 10370 Petroleum products - Determination of carbon residue - Micro method5 Reagents and materials5.1 Nitrogen, low oxygen content, i.e. 99.998 % (V/V) or better, with appropriate regulation to provide a delivery pressure of 0 kPa to 200 kPa.NOTE The practical minimum delivery pressure is 140 kPa.6 ...
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ISO 10370 Petroleum products - Determination of carbon residue - Micro method
ISO 10370 Petroleum products - Determination of carbon residue - Micro methodWARNING - The use of this International Standard may involve hazardous materials, operations, and equipment. This International Standard does not purport to address all of the safety problems associated with its use. It is the ...
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ISO 5165 Petroleum products - Determination of the ignition quality of diesel fu
ISO 5165 Petroleum products - Determination of the ignition quality of diesel fuels - Cetane engine method12 Expression of resultsReport the calculated cetane number, rounded to the nearest 0.1. Any CN ending in exactly 5 in the second decimal place shall be rounded to the nearest even 0.1.NOTE 30 For ...
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ISO 5165 Petroleum products - Determination of the ignition quality of diesel fu
ISO 5165 Petroleum products - Determination of the ignition quality of diesel fuels - Cetane engine method10 Procedure10.1 GeneralCheck that all engine operating conditions are in compliance and equilibrated with the engine running on a typical diesel fuel oil.NOTE 26 ASTM D613, Appendix X2 (Operating ...
