In-situ analysis of bottled water

Luisa Paula Valente

: : : : . .

2

1. :

. (.. ). " " ( )

Turbidity

, ,

5

pH

2.

pH ,

- pH

7

[HCl] = 0,0245M

150 mL (Sample)TA ( : ) , pH = 8,3 C

HCl

[HCl] = 0,0245M

( )150 mL ()TAC (: ), pH = 4,4

D

HCl

-

5 .

100 mL () + [CH3COOH/NaCH3COO] =1,6 M (pH=4,7)+ BaCl2

= 420 nm

[EDTA] = 0,013M

- , Ca2+ Mg2+50 mL : ETB

E

1. ( ), B);2. (150 mL) ;2. ;3. 103 - 105C;4. , A.

12

3.

3. F- Cl- HCO3 SO4 2- NO2 NO3 HS- ( )

Li+ Na+ K+ Mg2+ Ca2+ Fe2+ Fe3+ NH4+

1- ;A. B. , , pH. , , .

2- ; A. , , pHB. pH, , , . . , ,