João Jesus

2 Questions 5 Answers 0 Followers

Questions related from João Jesus

Which is better, saturated soil paste or dilute water extract ?

I was wondering if it might be better for the determination of soluble salts from a soil to prepare a saturated soil paste and dilute it by 5 rather than prepare a 1:5 dilute water extract. A...

25 February 2014 8,785 15 View

What organic interference is there when testing for total hardness titration with EDTA?

While testing for total hardness, the protocols indicate that high levels of dissolved or particulate organic matter may interfere. How does it interfere? How much organic matter is necessary for...

24 February 2014 8,884 4 View