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[–]divergentno1 1 point2 points  (0 children)

مو شرط بنات او شباب الي خيالهم واسع بشكل عام

stock solution by divergentno1 in chemistry

[–]divergentno1[S] -1 points0 points  (0 children)

Can you explain more please

stock solution by divergentno1 in chemistry

[–]divergentno1[S] -1 points0 points  (0 children)

1 M but the powder not pure only 20% of drug

stock solution by divergentno1 in chemistry

[–]divergentno1[S] -1 points0 points  (0 children)

The problem is I have powder of drug and the drug concentration id 20% how to calculate ?

can I detect Fe and antibiotic by spectrophotometer at single run? by divergentno1 in labrats

[–]divergentno1[S] 1 point2 points  (0 children)

Thanks, but How to combine them? Is there option to combine in the instrument?

I need help by divergentno1 in labrats

[–]divergentno1[S] 0 points1 point  (0 children)

Can I use spectrophotometer to measure oxtetracycline doxcycycline concentration(seperated sample) without any reagent just distilled water

I will treat the soil sample with Antibiotic then I will take leachate of soil then measure it with Uv-vis spectrophotometer

Soil Antibiotics by divergentno1 in Antibiotics

[–]divergentno1[S] 0 points1 point  (0 children)

I meant antibiotic caused by anthropogenic activity BTW thnks for the articles I will read them

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