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ASTM D4 Standard Test Method for Bitumen Content
ASTM D4 Standard Test Method for Bitumen Content1. Scope1.1 This test method covers the determination of bitumen content in materials containing at least 25 % bitumen. Bitumen content may usually be expeditiously and accurately determined by Procedure No. 1, Section 7. However, some bituminous materials ...
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ASTM D3257 Methods for Aromatics in Mineral Spirits by Gas Chromatography
ASTM D3257 Methods for Aromatics in Mineral Spirits by Gas Chromatography26. Keywords26.1 aromatics in mineral spirits; ethylbenzene in mineral spirits; gas chromatography (GC); mineral spirits
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ASTM D3257 Methods for Aromatics in Mineral Spirits by Gas Chromatography
ASTM D3257 Methods for Aromatics in Mineral Spirits by Gas ChromatographyTEST METHOD C - ETHYLBENZENE AND TOTAL AROMATICS CONTENTS BY MEANS OF A SINGLE CAPILLARY COLUMN GAS CHROMATOGRAPHIC ANALYSIS18. Apparatus18.1 Gas Chromatograph - Any gas chromatograph equipped with a split/splitless capillary injector ...
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ASTM D3257 Methods for Aromatics in Mineral Spirits by Gas Chromatography
ASTM D3257 Methods for Aromatics in Mineral Spirits by Gas ChromatographyTEST METHOD B - ETHYLBENZENE CONTENT BY MEANS OF A RAPID PACKED COLUMN GAS CHROMATOGRAPHIC ANALYSIS12. Apparatus12.1 Chromatograph - Any gas chromatographic instrument complying with the sensitivity described in 5.1, and equipped ...
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ASTM D3257 Methods for Aromatics in Mineral Spirits by Gas Chromatography
ASTM D3257 Methods for Aromatics in Mineral Spirits by Gas ChromatographyTEST METHOD A - ETHYLBENZENE AND TOTAL AROMATICS CONTENTS BY MEANS OF A SINGLE PACKED COLUMN GAS CHROMATOGRAPHIC ANALYSIS5. Apparatus5.1 Chromatograph, any gas chromatographic instrument that has the following performance and characteristics:5.1.1 ...
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ASTM D3257 Methods for Aromatics in Mineral Spirits by Gas Chromatography
ASTM D3257 Methods for Aromatics in Mineral Spirits by Gas Chromatography3. Summary of Test Methods3.1 The material, with an internal standard, is introduced into a gas chromatographic column containing a strongly polar liquid phase. The polar phase has very little affinity for saturated and olefinic ...
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ASTM D3257 Methods for Aromatics in Mineral Spirits by Gas Chromatography
ASTM D3257 Methods for Aromatics in Mineral Spirits by Gas Chromatography1. Scope1.1 These test methods cover the determination of ethylbenzene and total eight-carbon (C8) and heavier aromatics in the concentration range from 0.1 to 30 % in mineral spirits having a distillation range from 149 to 210°C ...
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ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils
ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils10. Precision and Bias10.1 Precision - This test method has been found to be reproducible to more or less 0.02 % gas content for gas contents on the order of 0.10 % (Note 6); for samples of higher gas content the absolute error ...
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ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils
ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils8. Procedure8.1 Raise the temperature of the oven to the desired level and make certain that it remains constant within more or less 2°C for at least 30 min. The temperature of the cold trap will depend on the coolant employed. ...
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ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils
ASTM D831 Standard Test Method for Gas Content of Cable and Capacitor Oils7. Calibration of Apparatus7.1 Calibration and conditioning of the apparatus are often done by the manufacturer. If this has not been done, or if a check is desired, the following procedures may be used:7.1.1 Clean the glass assembly ...
