Sulfites

Any advice on sulfate quantification in sulfite solution?

I am trying to quantify nanomolar levels of sulfate in millimolar sulfite and thiosulfate solution. HPLC is not very efficient, since sulfite gets oxidized during the chromatography. I was...

16 December 2013 5,426 3 View

I am looking for a way to stabilize sulfite in biological fluids (plasma and urine) without the use of formaldehyde.

Does anybody have suggestions to avoid the oxidation of sulfite to sulfate?

12 December 2012 4,341 1 View

Would you please give any suggest of Thiram extraction in sample?

I try to analyzed Thiram as an intact molecule by LC/MS in the vegetable sample. I can get good peak shape of Thiram standard in acetonitrile using a mixed-mode column. The calibration is good...

01 January 1970 828 10 View

No title

01 January 1970 8,448 0 View

How to extract high quality DNA from bean seeds? | ResearchGate

I am trying to extract DNA from bean seeds for pathogen detection but I am having problems with the quality of the DNA obtained probably due to the high concentration of inhibitors on bean seeds....

01 January 1970 7,103 0 View

How can I easily measure sulfate and sulfite ion concentration in a solution? | ResearchGate

How can I easily measure sulfate and sulfite ion concentration in a solution?

01 January 1970 5,869 0 View

Which reagent should we use to dechlorinate water? Sodium Sulfate anhydrous (Na2SO4) or Sodium Sulfite (Na2SO3)? | ResearchGate

I collected tap water for testing. I have got chlorine residuals in it. I need to dechlorinate the water. I think I need sodium sulfite (Na2SO3) to dechlorinate the water. But I am not sure about...

01 January 1970 4,061 0 View

How would one determine the best buffer to use in fermenting with S.cerivisiae? | ResearchGate

I am struggling to determine which buffer and concentration to use in my fermentation with S.cerivisiae. I am going to use SSL (spent sulfite liquor) as a fermentation medium.

01 January 1970 618 0 View

Suggestion on the synthesis of lignosulfonate nanoparticles ? | ResearchGate

I am exploring ligno sulfonates as carrier for the delivery of paraquat which is a foliage applied total weed killer. I was trying to synthesize lignosulfonate nanoparticles from the waste...

01 January 1970 2,234 0 View