Fulvic acid is soluble in acidic and alkaline medium, so how i can convert it to solid?
You can convert fulvic acid liquid to solid by precipitate by ethanol
Soil may contaminated with crude oil and hydrocarbons ,which reduce its productivity. So what is the best way to recontaminated.
10 November 2017 3,533 1 View
Selenium is benefit element for plants and animals. I want to know its concentration in shoot of corn crop.plz
10 November 2017 7,400 3 View
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 5,921 0 View
Selenate ion is adsorbed by soil components , i would like to know mechanisms of its adsorption
10 November 2017 7,617 2 View
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 8,406 15 View
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 4,762 17 View
I am try to make the Paal Knorr reaction between 2.5 hexnedione and 6-amino hexanoic acid, my problem is type of solvent to use, because 6-hexaminohexanoic acid is soluble in water but I am not...
02 March 2021 4,443 2 View
I need to prepare a solution of Napabucasin (inhibitor of cancer cell stemness) in dichloromethane. The drug is expensive, so maybe somebody already tried to do it. If it is soluble, what is the...
02 March 2021 9,945 3 View
I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...
01 March 2021 3,703 3 View
I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...
01 March 2021 6,450 5 View
Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...
01 March 2021 8,169 2 View
based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...
26 February 2021 6,799 3 View
Hi, I am a chemistry undergraduate doing my dissertation project on HPLC. In my project, I need to predict the HPLC retention time of 20 aromatic molecules, the calibration set. To do this I will...
24 February 2021 2,602 1 View
Hi! I would want to know if I can use acetic acid with an ELITE WAX Perkin Elmer column for Gas Chromatography. This column has a polyethylene glycol phase, but I can't find the manual to check...
22 February 2021 730 2 View
I have a fixed sample and would like to use the murexide reaction to test for uric acid composition. I no longer have fresh samples
22 February 2021 1,328 1 View
I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...
22 February 2021 5,324 3 View