How can I calculate Molar Ratio for struvite precipitation?

If the Molar Ratio of struvite Mg2+:NH4+:PO4 is (1.6:1:1.2), how can I calculate the molar ratio of Mg:P and N:P? Thank you very much

I have been growing multiple Vibrio species in the lab continuously with no problem. Today after checking plates that are 2 weeks old, I noticed these strange track marks all over the plate. It also exists on the inside of the top to the plate. I grow them on LB plates with more NaCl than usual due to Vibrios salt requirement. I noticed that my unused plates seem to be contaminated with what looks like white specs in the actual agar itself. I have never seen this before, and was wondering if anyone else has? Any idea what it could be contaminated with?

If you notice in the picture there is a small little critter on the inside of the plate.

My question about the struvite precipitation (MgNH4PO4): Is the molar ratio of Mg:P the same as Mg: PO4, and N:P the same as NH4:PO4? Otherwise, Do I have to make any calculations when I convert from one form to another, like Mg:P to Mg: PO4? Thanks!

In the case of a constant coefficient, where the VIF is greater than 10, what does that mean? Do all the variables in the model exhibit multicollinearity? How can multicollinearity be reduced? Multicollinearity could be reduced by removing variables with VIF >10. But I don't know what to do with the constant coefficient.

Thank you very much

Dear all,

I'm working on a project related to entomopathogenic fungi (EPF). I isolated EPF from individuals belonging to the species in photographs taken with a binocular stereo microscope. Can you help me with the taxonomy of the species that act will be discussed in the article I will write after the study?

Best wishes

Thank you

#coleoptera #carabidae

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Hello,

I´ve been trying to synthesize TiO2 nano-particles via sol-gel by the hydrolysis of titanium isopropoxide without success. Every time I end up with a white suspension that tends to sediment. I´ve tried both acid and basic pH, as well as both heating and cooling.

My synthesis consists in dissolving TTIP in isopropanol and then dropwise adding a solution of isopropanol under either stirring or ultrasound.

Any tips would be appreciated.

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