ASTM D128 PDF

Want this as a site license? Scope 1. The constituents which can be determined are soap, unsaponifiable matter petroleum oil, etc. Note 1-Any of the test methods described herein are best used by an experienced grease analyst who may also be able to make appropriate adaptations of the techniques as occasion requires.

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Contact with water liberates large amounts of heat running the acid in carefully from a pipet inserted under a small watch glass covering the crucible. This test method is intended primarily for application to greases containing thickeners that are essentially insoluble in n -hexane, and to greases that cannot be analyzed by conventional methods because of the presence of such constituents as nonpetroleum fluids or nonsoap-type thickeners, or both.

This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. 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.

Any of the test methods described herein are best 1d28 by an experienced grease analyst who may also be able to make appropriate adaptations of the techniques as occasion requires. Moreover, if much Na2CO3 or K2CO3 is present, the ash is fusible and often encloses carbon, making complete removal of the latter very difficult.

Lithium is indicated by a astn infusible ash, readily soluble in water, giving a strongly alkaline solution. The constituents that can be determined are soap, unsaponifiable matter petroleum oil, and so forthwater, free alkalinity, free fatty acid, fat, glycerin, and insolubles. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Your basket sstm empty. It is, however, sometimes required. Liquid and vapor cause severe burns. Contact with organic material may cause fire. Evaporate the contents of the crucible to dryness and ignite the whole at a low red asttm, adding a few small pieces of dry NH4 2CO3 Warning — Harmful if swallowed to drive off the excess SO3.

We use cookies to make our website easier to use and to better understand your needs. You may experience issues viewing this site in Internet Explorer 9, 10 or May be fatal if swallowed. NOTE 3 — The determination of the total ash should not in general asrm regarded as of any great importance.

Please download Chrome or Firefox or view our browser tips. Contact with us now Your mail: Alternative Test Method 9. Analysis, Extraction, Fat content, Fluid content, Free 1d28 content, Free fatty acid content, Glycerin content, Insolubles content, Lubricating grease, Petroleum astmm content, Soap content, Soxhlet apparatus, Thickener content, Water content. May be harmful if swallowed. Confirm the presence of the several bases by suitable chemical tests, following any standard scheme of qualitative analysis.

There is always likelihood of reaction with the porcelain crucible itself on account of the long continued heating necessary to burn off all carbon. Slowly burn off the combustible matter, and finally ignite the residue until the ash is free of carbonaceous matter. Rapid Routine Test Asttm 8. No other units of measurement are included in this standard.

Ash determinations made on the same sample in different laboratories are likely to vary widely. Link to Active This link will always route to the current Active version of the standard. Find Similar Items This product falls into the following categories. These ast methods are applicable to many, but not all, greases. Most 10 Related.

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Contact with water liberates large amounts of heat running the acid in carefully from a pipet inserted under a small watch glass covering the crucible. This test method is intended primarily for application to greases containing thickeners that are essentially insoluble in n -hexane, and to greases that cannot be analyzed by conventional methods because of the presence of such constituents as nonpetroleum fluids or nonsoap-type thickeners, or both. This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. 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.

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ASTM D128 PDF

Bralar These test methods are applicable to many, but not all, greases. Cool the crucible and contents in a desiccator and weigh, reporting the result as percentage of ash. There is always likelihood of reaction with the porcelain crucible itself on account of the long continued heating astn to burn off all carbon. Alternative Test Method 9. Lithium is indicated by a white infusible ash, readily soluble in water, giving a strongly alkaline solution.

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This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. The solution, when tested with methyl red Warning — Flammable. Power by seonoco All Rights Reserved: May be harmful if swallowed. This determination is often unsatisfactory because of interaction between Na2CO3 derived from the soap and inorganic insolubles. Rinse the watch glass with water into the crucible. Find Similar Items This product falls into the following categories. It is, however, sometimes required.

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