Jong Rak Lee

3 Questions 3 Answers 0 Followers

Questions related from Jong Rak Lee

How to make pH 1-> 7?

Hi. I have leaching solution with Ca ion. When I use NaOH, Ca(OH)2 is precipitated. Is there any way to make pH 1 to 7 without precipitate? Thanks for read.

08 January 2025 815 2 View

How to convert the ICP-OES results mg/L to mg/kg?

HI I have some question.. Please understand my level of English. Thank you Q1. I have 27g of Na2SO4(thenardite). I take 0.1 gram of Na2SO4(thenardite) sample for digested by using 9.9 gram HNO3....

12 February 2024 9,582 6 View

Is dissolution can be different according to sample input order?

I dissolve the Na2SO4, Li2SO4 and NaF in distilled water all at once. However depending on the order in which it is added it completely dissolved or not. ex) Na2SO4 - Li2SO4 - NaF : Dissolved...

12 February 2024 5,718 0 View