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Questions related from Hafida Baoune
Hello every one, I extract chlorophyll , and I read the absorbance in 480, 663 and 645. I need to estimate the quantity of both chlorophyll and cartonoid , I need help please. Could you ? Thank you
11 November 2016 2,992 5 View
What is the alternative of potassium antimonyl tartrate that can we add in the reaction for the detection of phosphate in the molybdenum blue method (Murphy and Riley, 1962) ?
09 September 2016 2,189 11 View
Usually , the moethod used for the determination HCN is based on picric acid, but according to it explosive and toxicity proporties, we prevent to use it. Is there any other method to determine...
09 September 2016 2,404 8 View
What is the diffrence between crude oi and petroleum? is it the same ? What is the fraw material : crude oil or petroleum ?
08 August 2016 513 3 View
After seven days of incubation of bacteria in liquide medium with petroleum as sol carbon source , I want to analyse petroleum with GC-FID and FITR . How can we analysis petroleum by GC-FID and...
08 August 2016 7,369 2 View
I have tried Pikovaskya medium, but without any results? I need a method in liquid medium
07 July 2016 7,407 7 View