Osim Enya

2 Questions 2 Answers 0 Followers

Questions related from Osim Enya

Hi please, can you calculate the require amount in grams of As and Cr from Na2HAsO4.7H2O and K2Cr2O4 respectively to be added to 100 g of soil

Artificial soil contamination Hi guys, please, can anyone help me calculate the require amount in grams of 100 ppm As and 500 ppm Cr from Na2HAsO4.7H2O and K2Cr2O4 respectively to be added to 100...

16 May 2017 9,664 2 View

Please, how can I fridge dry my humic substances extracted from NaOH and HCl before NMR study?

I extracted humic matter using 200g of soil from 1M NaOH and hydrolysed with 1M HCl and then dialysed and refrigerate to purify the samples before NMR analysis.

22 August 2016 6,645 3 View