HI 3822 SULFITE TEST KIT
6
2
3
4
1
5
7
5 mL sample
50 mL sample
Страница 1: ...odate ions in the presence of sulfuric acid to form iodine Step 1 The sulfite present in the water sample then reduces the iodine back to iodide Step 2 An excess of iodate ions will generate additional iodine which will form a blue complex with starch This color change determines the end point of this titration Step 1 KIO3 5KI 3H2SO4 3I2 3K2SO4 3H2O Step 2 SO3 2 I2 H2O SO4 2 2HI READ ALL THE INSTR...
Страница 2: ...HI 3822 SULFITE TEST KIT 6 2 3 4 1 5 7 5 mL sample 50 mL sample ...