Aerospace Industries Association. Mauricio Ronald Cruz Cruz. For other more difficult samples, such as naphthenic, hydrocracked, and those samples whose cold ow behavior have been chemically altered, the appearance of the rst cloud can be less distinct. American Industrial Hygiene Assn.
Popular Standards Bundles. Construction Specifications Institute, Inc. The cloud appears when the tempera- ture of the specimen is low enough to cause wax crystals to form. No other units of measurement are included in this standard.
Telecommunications Standards. Generally this water haze will not interfere with the determination of the wax cloud point.
In addition, the diesel fuel used in the research report was high cloud point material. As the temperature of these specimens decrease below the cloud point, the diffuse cluster will increase in size and can form a general haze throughout. It is the responsibility of the user of this standard to establish appro- priate safety and health practices and determine the applica- bility of regulatory limitations prior to use. Its purpose is to prevent the test jar from touching the jacket.
ASTM D97 and ASTM D test methods - Tamson Instruments
With these difficult samples, drying the sample prior to testing can eliminate this type of interference. Codes and Standards Training, Inc.
Control and Analysis for Food and Agricultural Products. For many specimens, the crystals rst form at the lower circumferential wall of the test jar where the temperature is lowest. Caution should be taken when handling mercury and mercury containing products. Aslight haze throughout the entire sample, which slowly becomes more apparent as the temperature is lowered, is usually due to traces of water in the oil. Information on the type of samples and their average cloud points are in the research report.
Emulsificantes, Estabilizantes y Espesantes. Adjust the position of the cork and the thermometer so that the cork ts tightly, the thermometer and the jar are coaxial, and the thermometer bulb is resting on the bottom of the jar. Place the disk in the bottom of the jacket. Never place a jar directly into the cooling medium. Builders Hardware Manufacturers Association, Inc.
Alternatively, immerse the thermometer to a reading and correct for the resultant cooler stem temperature. Item is contained in these product bundles. Mercury, or its vapor, may be hazardous to health and corrosive to materials.
World Scientific Publishing Co. Manage society memberships. Prices subject to change without notice. Brijendra Kumar Srivastava. The contrast between the opacity of the cluster and the liquid is also sharper.
Telecommunications Industry Association. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Currency display settings. Detail Summary View all details.
British Standards Institution. The size and position of the cloud or cluster at the cloud point varies depending on the nature of the specimen. Nevertheless, the cloud point is dened as the temperature at which the crystals rst appear, not when an entire ring or full layer of wax has been formed at the bottom of the test jar. This standard does not purport to address all of the safety concerns, if any, associated with its use. Association Connecting Electronics Industries.
The intent of the cloud point method is to capture the temperature at which the liquids in the specimen begin to change from a single liquid phase to a two-phase system containing solid and liquid. Trans Tech Publications Inc. View Full Details and Buy.
Standards Australia International, xxclone windows 7 Ltd. Edwin Andres Neuque Moreno.
The crystals can develop into a ring of cloud along the bottom circumference, followed by extensive crystallization across the bottom of the test jar as temperature decreases. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every ve years and if not revised, either reapproved or withdrawn. International Electrotechnical Commission. Therefore, data from the blends of kerosene in biodiesel were not used in the precision statement. The gasket may be made of rubber, leather, or other material that is elastic enough to cling to the test jar and hard enough to hold its shape.
Insert the test jar in the jacket. The required bath temperatures may be maintained by refrigeration if available, otherwise by suitable freezing mixtures. Dunedin Academic Press Ltd. American Petroleum Institute.
Technology International, Inc. Also, the particular kerosene sample used was atypical, which complicated the study further.
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