Determination of the density of liquid petroleum products

2025-08-22

Liquid density is a key physical property of petroleum products, directly affecting the measurement accuracy during storage and transportation, as well as the product classification during production fractionation (such as fuel quality calculation, different density components corresponding to different products). Precise measurement is of great significance.

When determining the density of liquid petroleum products, it is crucial to control the temperature and select the right instrument: an increase in temperature will reduce the density, so the sample should be stabilized at a standard temperature (such as 20℃) to ensure data comparability. The density ranges of different oil products (such as gasoline and diesel) vary. Therefore, instruments with matching measurement ranges and meeting precision standards should be selected.

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The SH102D automatic density tester is manufactured in accordance with multiple standards such as GB/T2013-2010, ASTMD 4052, and ISO 12185 1996. It is suitable for density detection of petroleum products such as crude oil and gasoline, as well as other industrial liquids.

It adopts the U-tube oscillation method. After injecting 2ml of sample, the density is calculated and displayed in combination with the sample tube constant (determined by the known density calibration solution). The measurement range is 0.001 to 1.999g/cm³, with both accuracy and resolution of ±0.001g/cm³. It maintains a constant temperature of 20℃±0.1℃ (customizable for 15~35℃) and can store 80 sets of data. Meet the requirements of regular and batch testing.

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Determination of the density of liquid petroleum products

Determination of the density of liquid petroleum products