Yacine Boutekfa

3 Questions 6 Answers 0 Followers

Questions related from Yacine Boutekfa

How can I prepare nutrient agar with (20% NaCl) ?

I wanted to prepare a nutrient agar with 20% NaCl. Is it 20% NaCl or is NaCl 20% of the medium? Do I need to adjust pH after adding NaCl ?

14 August 2022 8,690 0 View

For how many samples of Residual Sludge the heavy metal analysis is significant ?

I want to know according to the literature, I must perform the heavy metal analysis for how many sludge samples, for this analysis to be significant.

12 February 2022 7,323 10 View

Can I dry the residual sludge (sewage sludge) at 105°C for 24 hours and grind it, for an elementary analysis?

I wanted to make a physico-chemical analysis of the sludge (physical parameters :T°, pH, Conductivity, solid matter, total organic carbon. Mineral elements : Ca, Mg, Na, K, So, N, and chemical...

09 February 2022 8,691 16 View