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Soil Hydrometer for Particle Size and Sedimentation Analysis
Price :
৳1550
Estimated Shipping Time: 2 to 3 days
Uses: Soil Classification , Texture Determination
Product SKU: HwF1550BGy
Soil Hydrometer for Particle Size and Sedimentation Analysis
Description:
The Soil Hydrometer is a scientific instrument, typically made of glass with a weighted bulb and a graduated stem , used to determine the particle size distribution (PSD) of fine-grained soils (silt and clay fractions, generally smaller than 0.075 mm). Its function is based on Stokes' Law, which relates the settling velocity of spherical particles in a liquid to their size and density. In the test, a soil sample is thoroughly dispersed in water using a chemical agent (like sodium hexametaphosphate) to prevent clumping. The hydrometer is then periodically inserted into the soil-water suspension to measure its relative density (specific gravity) at various time intervals. As larger particles settle faster, the density of the suspension decreases over time.
Uses :
Soil Classification (Geotechnical Engineering):
Determining the proportions of silt and clay (particles finer than the No. 200 sieve) to classify the soil according to engineering systems like the Unified Soil Classification System (USCS).
Providing the fine-fraction data that, when combined with sieve analysis for coarse fractions, completes the Grain Size Distribution Curve.
Texture Determination (Agricultural/Environmental Science):
Calculating the precise percentages of sand, silt, and clay to assign the soil to a specific textural class (e.g., clay loam, silty clay) using the Soil Texture Triangle.
This is crucial for predicting soil properties that affect agriculture, such as water-holding capacity, permeability, and aeration.
Prediction of Soil Properties:
The particle size data helps estimate critical engineering properties of fine-grained soils.
This includes predicting compressibility, shear strength, and permeability, which are vital for foundation design, roadbed construction, and earth-fill dam analysis.
Erosion and Sedimentation Studies:
Used in environmental science to analyze the composition of sediments, assess the erosion potential of a watershed, and study sediment transport phenomena in rivers and lakes.
If you'd like to know more about this chemical or need any analysis
report regarding this chemical then contact us support@echem.com.bd.- Hydrometer for soil test
- Size: Long 28.5cm & Dia: 3cm
- Range: 0 – 60 g/L
- Country of origin: China
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