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WebCrude Oil Viscosity vs. Gravity - Viscosity at 20°C/68°F and 50°C/122°F for more than 120 crudes is shown as function of specific gravity@15°C/60°F. Density vs. Specific Weight and Specific Gravity - An introduction to density, specific weight and specific gravity. Gases - Specific Gravities - Specific gravities of air, ammonia, butadiene ... WebThe ideal alkalinity for a reef tank is 8-12 dkh. That’s a pretty broad range. Perhaps more important than reaching a level within that range is trying to stay consistent once you find an alkalinity level that suits the inhabitants … sluggo first wave

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Webwww.fosterandsmithaquatics.com WebIt is determined by measuring the time in seconds, required for a fixed volume of fluid to flow a known distance by gravity through a capillary within a calibrated viscometer at a closely controlled temperature. This value is converted to standard units such as centistokes (cSt) or square millimeters per second. WebThe specific gravity method is not only used for testing liquids. In fact, it can be used to test a huge range of materials, including plastics and polymers, rubber, ceramics and much more. It’s also a useful testing method for the construction industry and used to test cement, soils, aggregate, bitumen and pitch. sokhcn can tho