What the moisture analysis for liquid?
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Moisture analysis for liquid involves various methods to determine the moisture content accurately. Techniques include using resonators to measure volume concentration of precipitated moisture , employing continuous flow analyzers with carrier gas to detect moisture content , introducing concepts like entransy and transfer resistance to analyze irreversibility and moisture transfer in liquid desiccant dehumidification , utilizing analyzers to measure water content by allowing water molecules to escape into a carrier gas for detection , and applying liquid membranes in soil for moisture conservation and evaporation suppression, with structural analysis revealing enhanced soil-membrane interactions for improved moisture retention . These diverse approaches offer insights into moisture analysis in liquids, catering to different applications and analytical requirements.
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| Papers (4) | Insight |
|---|---|
| The analyzer and method in the paper measure water content in liquids by allowing water molecules to escape into a carrier gas for detection by a moisture detector. | |
19 Citations | Moisture analysis for liquid desiccant involves defining moisture transfer resistance (MTR) to optimize dehumidification systems by reducing irreversibility and improving performance through mass transfer coefficient adjustments. |
Patent 20 Dec 2015 1 Citations | The paper presents a microwave technique using a cylindrical resonator to determine precipitated moisture concentration in liquid hydrocarbons with high sensitivity. |
Patent 31 Oct 2000 5 Citations | Continuous flow moisture analyzer determines liquid sample material's moisture content by injecting it into an evaporator where a carrier gas absorbs moisture, detected by a relative humidity sensor. |
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What is the moisture content of african palm oil/?5 answersThe moisture content of African palm oil, specifically crude palm oil (CPO), was determined using Fourier transform infrared (FTIR) spectroscopy. The study utilized a calibration set with varying moisture ratios and employed a partial least squares (PLS) regression technique to develop a rapid and accurate method for moisture content determination in CPO samples. The accuracy of this FTIR spectroscopic method was comparable to traditional methods like the American Oil Chemists' Society's vacuum oven method and the International Union of Pure and Applied Chemistry's distillation method. The results showed that the moisture content of CPO can be analyzed swiftly with high precision, making it a reliable technique for moisture determination in palm oil products.
How to measure the moisture contains in the bread?4 answersMoisture content in bread can be measured using various methods. One approach is the use of near-infrared hyperspectral imaging, which allows for automated measurement of water content based on quantitative analysis of hyperspectral components. This method is relatively inexpensive and easy to set up. Another method involves the use of electrical impedance spectroscopy, where a constant current is applied across the bread loaf and the impedance at different zones is measured. A linear relationship is observed between impedance and moisture content during storage. Additionally, a water content sensor concept has been proposed for on-line measurement of moisture content in baked products. Experimental work has determined typical permittivity values of bread, which can be used for moisture measurement. Furthermore, numerical simulations have shown the ability of a microwave sensor, such as a patch antenna, to discriminate small variations in water content in traditional Carasau bread. Overall, there are various methods available for measuring moisture content in bread, each with its own advantages and applications.
What is the purpose of moisture content test for soil?5 answersThe purpose of moisture content testing for soil is to assess and quantify the amount of water present in the soil. This information is crucial for various applications in geotechnical engineering and agriculture. In geotechnical engineering, moisture content testing helps in compaction control of embankments and understanding the behavior of soils during construction projects. It aids in determining the suitability of soils for different purposes and assessing their stability and strength. In agriculture, moisture content testing is important for irrigation management and optimizing crop yields. It helps in understanding the water cycle and its impact on plant growth and soil health. Moisture content testing can be done using various techniques such as gravimetry, remote sensing, and non-destructive infrared thermography. These techniques provide valuable information about the water content of soils, allowing for informed decision-making and efficient resource management.
What is the procedure to determine moisture content in a sample?5 answersThe procedure to determine moisture content in a sample involves several methods. One method involves using elemental activation analysis (EAA). This method includes positioning a reference material containing a reference element with a known thermal neutron capture cross-section near the sample material. The sample material and the reference material are then irradiated with fast neutrons to produce thermal neutrons in the sample material. Gamma-rays emitted from the reference material are detected and used to calculate a factor, R, proportional to the thermal neutron flux. The moisture content in the sample material is then identified based on a relationship relating moisture content to R.
Another method involves using a moisture content rapid determinator that utilizes an infrared drying oven and a weigh electronic balance. The sample is desiccated using the infrared drying oven and then weighed using the electronic balance. The instrument circuit board in the determinator carries out the accuracy and predicts the moisture content based on the weight of the sample.
A third method involves determining the moisture content in a petroleum product through a distillation method. This method includes determining the viscosity of the sample and selecting the appropriate quality to ensure sufficient dissolution. Pre-treatment steps such as homogenization and filtering are carried out to avoid impurity deposition. The distillation speed is controlled to improve experiment efficiency, and a drying device is added to prevent moisture from entering the system.
There is also a method that uses a true leaf and artificial leaves attached to a white reference substrate. The intensity of reflection light from a reference beam and a measuring beam is used to calculate the relative water content of the true leaf.
Finally, a device for sample moisture content is described that allows for the batch measurement of multiple samples at once. The device includes automatic measuring equipment and containers for sample deposition, allowing for the simultaneous weighing and display of different samples.
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