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ASTM D – 04 Standard Test Method for Congealing Point of Petroleum Waxes, Including Petrolatum
As demonstrated above, the tests conducted confirmed that the apparatus disclosed herein is capable of producing data within the current ASTM D precision statement. A sample with a low congealing point can cause discomfort due to the extended time of non-stop wrist rotation up to 8 minutes or more. Process according to claim 7, wherein the heavy wax of step is separated in step e by short path distillation at a pressure between 0.
In some embodiments, x938 apparatus also includes a power switch for permitting a source of power to be supplied to the motor. A paraffin wax according to any one of claims 1 to 5, wherein the paraffin wax is a Fischer-Tropsch derived paraffin wax.
In some embodiments, the source of direct current is a battery. An advantage of said process according to the present invention is that by distilling the Fischer. The semi-automatic apparatus eliminates the use of hands to rotate the sample. These observations indicate that the obtained refined Fischer-Tropsch paraffin wax can be advantageously used in applications such as candles, hot melt atsm, crayons, packaging, and PVC extrusion lubricants. In a further aspect, the present invention provides a process to prepare a Fischer-Tropsch derived paraffin wax, the process at least comprising the following steps: Historical Version s – view previous versions of standard.
Moreover, current practices provide no standard means of ensuring that multiple operators are rotating the flask at the same speed. The apparatus of claim 5wherein the source of direct current is a battery. They can also be used for their physical properties such as hardness and melting point. In some embodiments, the level may be mounted on the hinged cover 44 of the housing Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.
Contact with us now Your mail: The method of claim 15wherein the source of direct current is a battery. A paraffin wax according to any one of claims 1 to 3, having a Saybolt colour according to ASTM D of at least 30 cm. The ExxonMobil logotype and any other trademarks are trademarks of Exxon Mobil Corporation or one of its subsidiaries.
Multiple side draws during distillation in the production of base oil blends from waxy feeds. The apparatus and methods described herein may d9388 provide efficiency gains due to the elimination of the resetting of hands from repetitive motions, enabling more sample throughput.
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The apparatus, methods and various embodiments disclosed herein are further illustrated by the following non-limiting Examples. Properties of fraction M can be found in Table 1. Keep the assembly in a horizontal position. Every care has been taken in the preparation of this information.
The operator sat in a chair adjusted to allow the lab bench to be at eye-level, thus eliminating any potential neck strain when observing the test. Microcrystalline wax contains substantial proportions of branched and cyclic saturated hydrocarbons in addition to normal alkanes.
A new separation process for polyolefin resins. This standard is also available to be included in Standards Subscriptions. For this awtm waxes are molten for measurement. You may delete a document from your Alert Profile at any time. After making this adjustment, remove the thermometer and stopper from the flask, being careful not to change the position of the stopper relative to the thermometer stem. Your Alert Profile awtm the documents that will be monitored.
NOTE 3 – Operators should periodically check themselves for compliance with this turning rate. Heterogeneous catalysts”, Howard F. Suitable feedstock include natural gas, crude oil, heavy oil fractions, coal, biomass and lignite. Petroleum wax producers also characterize wax by degree of refinement; fully refined paraffin has oil content generally less than 0.
Process for increasing the yield of lubricating base oil from a D398 plant. At that temperature, the wax may be at or close to the solid state, or it may be semisolid and quite unctuous, depending on the composition of the wax or petrolatum being tested.
CN CNA en You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. If the document is revised or amended, you will be notified by email.
In some embodiments, the method also includes repeating steps –