How is selenate adsorbed by clay, calcium carbonate, and organic matter?

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How to remove crude oil or hydrocarbon from contaminated soils?

Soil may contaminated with crude oil and hydrocarbons ,which reduce its productivity. So what is the best way to recontaminated.

10 November 2017 3,593 1 View

What is the range concentration of selenium in corn crop?

Selenium is benefit element for plants and animals. I want to know its concentration in shoot of corn crop.plz

10 November 2017 7,467 3 View

How to convert a liquid fulvic acid to solid?

Fulvic acid is soluble in acidic and alkaline medium, so how i can convert it to solid?

10 November 2017 5,632 1 View

What is the best method for determining soil salinity by soil paste or soil solution?

The salinity of soil can determined by electrical conductivity meter , by soil paste extract or soil solution . the is differences between them .

10 November 2017 6,005 0 View

How is phosphate adsorbed by calcium carbonate in soils?

Calcium carbonate in calcareous soils reached to 50% of southern part of iraq. So addition of phosphate fertilizers to these soils adsorbed by calcium carbonate > I would like to know by...

10 November 2017 4,834 17 View

What is the best way to remove heavy metals from organic fertilizers?

Organic fertilizers such as cow manure has heavy metals, these fertilizers used with high quantities for improving soil properties and supplying nutrient . so how can increase the efficiency of...

10 November 2017 8,515 15 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Basis set and input instruction to calculate HOMO and LUMO using Orca for Imidazolium based organic salts?

Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...

09 August 2024 5,444 7 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

How can we differentiate between calcite, dolomite, siderite, magnesite and ankerite minerals in carbonatite rocks in thin section under op microscop?

How can we differentiate between calcite, dolomite, siderite, magnesite and ankerite minerals in carbonatite rocks in thin section under optical microscope?

07 August 2024 2,132 3 View

How do soil microflora interact with plant roots and influence plant nutrition, health, and productivity?

06 August 2024 9,618 3 View

Absorption coefficient of methane?

Hello, Can anyone provide me with the absorption coefficient of methane gas at 7.7 um? Any reference?

06 August 2024 980 5 View

XRD Analysis is showing only Calcium carbonate. It is not showing other compounds. Can anyone help me get the other compounds?

XRD Analysis is showing only Calcium carbonate. It is not showing other compounds. Can anyone help me get the other compounds

04 August 2024 3,019 3 View

In the presence of VERY high concentration (1000 ppm) of silicon, the adsorption isotherms of arsenic are showing anomalous trends, why so?

I conducted an adsorption experiment of arsenic on soil in the presence of different doses of silicon as competing ions to see the effect of silicon on arsenic adsorption and desorption. I took 5...

03 August 2024 6,500 3 View

How to convert g/kg Humic acid dose to kg/ha?

I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?

02 August 2024 7,186 6 View

Looking for help on sem image analysis?

Hello I am conducting a microstructural analysis of a soil treated with lime. The following sem images are of the untreated s1 and treated soil s3. The untreated soil contains quartz calcite...

01 August 2024 572 0 View