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Water Testing
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New labelling for iodides: DPD "Evo" as an alternative
DPD Rapid Evo: Health safe
Dissolved Oxygen
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What is dissolved oxygen?
Industrial Water Monitoring
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Water Testing Terms and their meaning
Do you have green and/or cloudy pool water?
pH value
Water maintenance, but how?
Bathing Water
Natural Swimming Ponds
Myths of water treatment
Water hygiene in pools & spas
Balanced Water (Langelier Index)
Standards for bathing water quality
Waste Water Treatment
Respirometric principle
Turbidity know-how
The darker the better: Multipath 90° BLAC® technology
What are Turbidimeters used for?
Compliance and light sources
Turbidity measurement
Turbidity Measurement in Pool Water
Nephelometrie
Understanding interferences
Drinking water treatment : PTV 1000 field test report
Applications of continuous turbidity measurement in drinking water processing
The Science Behind Your Turbidity Measurements
Photometry
The Role of Chlorine Colorimeters in Disinfection
The principle of photometry
Interference filter increases reducibility
Reference beam technology for spectrophotometers
Privacy Policy for Lovibond® PoolAssistant
Handbook of Methods
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Acid Capacity
Acid Concentration
Acid Products
Acidity
Active Oxygen
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Alkalinity-M
Alkalinity-m
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Alkalinity M
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Aluminium
Amine
Ammonia
Anionic
Arsenic
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Biguanide
Brix
Bromine
COD
Cadmium
Calcium hardness
Carbon Dioxide
Carbonic Acid CO-2
Chloramine
Chloride
Chlorine
Chlorine (free)
Chlorine (free) and Monochloramine
Chlorine Dioxide
Chlorine Dioxide LR
Chlorine HR
Chromium
Conductivity
Copper
Cyanide
Cyanuric Acid
DBNPA
DEHA
Dipslides
EDTA/Chelant free
Flocculation
Fluorescein
Fluoride
Formaldehyde
Glutaraldehyde
Glycol
Hardness
Hardness, total
Hardness Calcium
Hardness Calcium and Magnesium
Hazen
Hydrazine
Hydrogen Peroxide
Hydroxid Concentration
Iodine
Iron
Isothiazoline
Lead
Manganese
Molybdate
Nickel
Nitrate
Nitrate/Nitrite
Nitrite
Nitrogen
ORP
Organo Phosphonate
Oxygen
Ozone
PTSA
Peracetic Acid
Permanganate Value (Sewage effluent)
Phenol
Phosphate
Phosphate (Ortho) PO-3
Phosphate (Total) PO-2
Phosphonate
Polyacrylate
Polyamine
Potassium
QAC
Redox
SAC
Salinity
Selenium
Silica
Silt Density Index
Sodium hypochlorite
Sugar
Sulfite
Sulphate
Sulphide
Sulphite
Surfactants
TDS
THPS (Tetrakis (Hydroxymethyl) Phosphonium Sulphate)
TOC
TSS
Tannin
Temperature
Triazole
Turbidity
Turbidity (Sewage effluent)
Urea
Zinc
pH
pH (mV)
0
0.0001
0.001
0.002
0.005
0.01
0.015
0.016
0.02
0.025
0.03
0.04
0.05
0.06
0.07
0.08
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.15
0.16
0.19
0.25
0.33
0.38
0.45
0.52
0.56
0.57
0.75
0.98
0.815
1
1.0
1.00
1.1
1.2
1.3
1.5
1.6
1.8
1.9
1.52
1.63
1.305
1.999
2
2.0
2.000
2.5
2.6
2.8
2p
3
3.0
3.5
3.6
3.8
3.27
4
4,3t
4.0
4.4
4.5
4.50
5
5.0
5.00
5.2
6
6.0
6.5
6.8
7
7.0
7.2
7.5
7.6
8
8.0
8.2
8.4
8.8
9.2
9.6
10
10.0
11
12
12.5
13
13.5
14
15
16
17
18
19.57
19.99
20
20.00
22.5
24
25
26
26.09
30
32
35
40
50
60
60.0
70
80
90
100
110
120
125
132
140
150
160
200
210
224
240
250
254
300
344
360
400
436
500
525
600
620
750
800
900
1000
1100
1320
1400
1500
1540
1600
1999.9
2000
2000.0
2400
2500
4000
5000
6000
12000
13200
15000
40000
132000
a
acid
acidity
active
aerobic
al
alkalinity
aluminium
amine
ammonia
ammonium
amp
and
anion
anionic
arsenic
as
b
bacteria
benzotriazole
bod
br
brix
bromine
c
ca
caco
cadmium
calcium
capacity
carbon
carbonate
carbonic
cation
caustic
cd
chelant
chloramine
chloride
chlorine
chromium
cl
clo
cm
cn
co
cod
coliforms
colours
complexed
compounds
concentration
conditions
conductivity
copper
count
cr
ctab
cu
cya
cyanide
cyanuric
d55
dbnpa
deha
density
depending
dh
dioxide
dissolved
drop
e.coli
edta
einheiten
f
fau
fe
flocculation
fluorescein
fluoride
formaldehyde
free
frei
g
gkh
glutaraldehyde
glycol
h
hardness
hazen
hcho
hedp
high
hr
hydrazine
hydrogen
hypochlorite
i
in
index
iodine
ionic
iron
isothiazoline
k
kg
ki
ks
ks4.3
l
lead
limit
lmr
lodine
low
lr
lr2
m
magnesium
manganese
may
meg
mg
mmol
mn
mo
molybdate
monochloramine
moo
moulds
mr
ms
mv
n
na
nano
naocl
naoh
nes
new
nh
ni
nickel
nitrate
nitrite
nm
no
not
ntu
o
of
oh
on
or
organo
orp
ortho
oxygen
ozone
p
paa
pb
peg
peracetic
permanganate
peroxide
ph
phenol
phmb
phosphate
phosphonate
pm
po
polyacryl
polyacrylate
polyamine
potassium
pp
ppb
ppm
ppt
presence
products
pt
ptsa
qac
qaternary
quaternary
redox
residual
s
s4.3
sac
salinity
sample
sdsa
se
selenium
silica
silicate
silt
sio
so
sodium
solids
strips
sub
sugar
sulphate
sulphide
sulphite
sup
surfactants
suspended
t
tannin
tds
temperature
test
thps
tn
toc
tolyltriazole
total
tptz
triazole
triton
tss
tt
tube
turbidity
tvc
urea
value
vario
vary
version
very
vhr
vlr
x
yeast
yes
zinc
zn
µg
µs
This value is not valid.
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Cleaning Tube Assembly (Black Tube)
PTV Cleaning Accessory Kit, Contains 500 ml Rinse Bottle and Cleaning Pads
PTV Complete Cleaning Kit, Contains all 3 Cleaning Solutions with Rinse Bottle and Cleaning Pads
Cleaning Solution
Detergent Solution
Kit, Fittings & Tubing
Dry Verification STD, High Range ( > 10 NTU)
Dry Verification STD, Low Range ( < 10 NTU)
Kit, Beam Dump Guard / Interlock, Fitting & O-rings, for PTV 6000
Kit, Bubble Trap Cover and O-ring, for PTV 6000
Kit, Installation Connectors
Plug for Conduit holes
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