Parameter name 

 Rate 

Chemically pure (C.P.)

Analytical reagent grade (a.r.g)

Pure (P.)

1. Mass fraction of potassium iodide (КJ), %, min

2. Mass fraction of water-insoluble substances, %, max

3. Mass fraction of total nitrogen, %, max

4. Mass fraction of iodides and iodine (JO₃), %, max

5. Mass fraction of sulphates (SO₄), %, max

6. Mass fraction of phosphates (PO₄), max

7. Mass fraction of chlorides and bromides М (CI), %, max

8. Mass fraction of barium (Ва), %, max

9. Mass fraction of iron (Fe), %, max

10. Mass fraction of calcium (Са), %, max

11. Mass fraction of magnesium (Mg), %, max

12. Mass fraction of heavy metals (Pb), %, max

13. Mass fraction of formic acid (НСООН), %, max

14. рН preparation solution with 5% mass fraction

 99,5

0,005

0,001

0,002

0,0025

0,001

0,01

0,002

0,0001

0,001

0,001

0,0002

0,001

6-8

 99,0

0,010

0,001

0,005

0,0050

0,001

0,03

0,004

0,0003

0,005

0,003

0,0005

0,001

6-9

 99,0

0,020

0,002

0,005

0,010

not rated

0,10

0,008

not rated

not rated

not rated

0,001

0,001

6-9