After / Après / Después de / Nach / Na ZERO (p. 10)
Cyan. Acid • Acide Cyan • Ácido Cian.
Cyanursäure • Cyanuurzuur
CYA-Test
3
4
Photometer
completely
dissolved
pH
ZERO
TA
pH
ZERO
TA
tCl
tCl
NO
residue
fCl
CYA
fCl
CYA
5
!
pH
ZERO
TA
pH
ZERO
TA
tCl
tCl
fCl
CYA
fCl
CYA
21
