Nach / After / Après ZERO (p. 10)
Brom • Bromine • Brome
B
Ohne Chlor / Without Chlorine / Sans Chlore
3
B
tCl
7 /5
A
B
pH
ZERO
tCl
fCl
DPD N° 1
Photometer
pH
ZERO
TA
fCl
CYA
TA
CYA
4
B
pH
ZERO
tCl
fCl
CYA
!
tCl
completely
dissolved
TA
NO
residue
pH
ZERO
TA
fCl
CYA
33
