Toan Nguyen-Sy

2 Questions 3 Answers 0 Followers

Questions related from Toan Nguyen-Sy

Any changes in soil dissolved organic matter if we conduct second time extraction by hot/cold water?

I now extract 20 gram soil by hot/cold water by 30 mins shaking and 30 mins centrifuge. One of the parameters for analysis is δ 13C. I need to freeze dry extract to get the solid matter for...

06 July 2016 2,374 3 View

What causes red color appearance of the extracts after extracting soils by KCl?

I extracted soil samples from rice paddy long-term experiment by KCl10% after 4 week-anaerobic incubation (30 degree Celsius) and found that extract solutions of samples since 1983-1990 had been...

26 December 2015 6,560 15 View