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Karl fischer reagent method
| Oil glossary |
The standard laboratory test to measure the water content of mineral base fluids. in this method, water reacts quantitatively with the karl fischer reagent. this reagent is a mixture of iodine, sulfur dioxide, pyridine, and methanol. when excess iodine exists, electric current can pass between two platinum electrodes or plates. the water in the sample reacts with the iodine. when the water is no longer free to react with iodine, an excess of iodine depolarizes the electrodes, signaling the end of the test.
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Laboratory, английский
- Лаборатория
- Laboratorio
- A special room or place where scientists can do specialised work such as research, the testing of chemical substances or the growing of tissues in culture the samples of water from the hospital have been sent to the laboratory for testing. the new drug has passed its laboratory tests. (note: the plural is laboratories.)
- Исследовательская лаборатория цемента и бетона
- Лаборатория; экспериментально- исследовательское учреждение
- Лаборатория. помещение, в котором квалифицированный персонал проводит анализы с использованием соответствующего оборудования. laboratory information management system
- Лаборатория. помещение, в котором квалифицированный персонал проводит анализы с использованием соответствующего оборудования.
Electrodes, английский
Pins or blades on electric moisture meters, usually made of steel, used to penetrate and contact the wood.
Quantitative, английский
- A квантитативный
- Количественный
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Kinematic viscosity, английский
- The time required for a fixed amount of an oil to flow through a capillary tube under the force of gravity. the unit of kinematic viscosity is the stoke or centistoke (1/100 of a stoke). kinematic viscosity may be defined as the quotient of the absolute viscosity in centipoises divided by the specific gravity of a fluid, both at the same temperature--
- Measure of a fluid’s resistance to flow under gravity at a specific temperature (usually 40°c or 100°c).
- Ratio of absolute viscosity divided by the liquid’s density. kinematic viscosity is often reported in centistokes.
- Ratio of absolute viscosity divided by the liquid’s density. kinematic viscosity is often reported in centistokes. 382 magnetic testing l l·d–1 ratio: convenient means for expressing the shape of a test object in terms of length l divided by diameter d. in magnetic particle testing, ratio used to judge whether a test object is appropriate for coil magnetization or demagnetization alone or whether pole extensions or stacking is required.
- Self-demagnetizing factor.
Journal bearing, английский
- A sliding type of bearing having either rotating or oscillatory motion and in conjunction with which a journal operates. in a full or sleeve type journal bearing, the bearing surface is 360¦ in extent. in a partial bearing, the bearing surface is less than 360¦ in extent, i.e., 150¦, 120¦, etc.
- A sliding bearing of either rotating or oscillatory motion inside which a journal operates.
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