3.5 Abbreviations
Abbreviation Definition
°C degree Celsius (Centigrade)
°F degree Fahrenheit °F = (°C x 1.8) + 32
°dH degree German Hardness
°fH degree French hardness
°eH degree English Hardness
°aH degree American Hardness
Abs Absorption unit (
=
^
Extinction E)
1000 mAbs = 1 Abs
=
^
1A
=
^
1E
μg/l (= ppb) Microgram per litre
mg/l (= ppm) Milligram per litre
g/l (= ppth) gram per litre
KI Potassium iodide
K
S 4.3 Acid demand to pH 4.3 – this method is similar to Total Alkalinity but
converted into the unit “mmol/l”,
as the German DIN 38409 demand.
TDS Total Dissolved Solids
LR Low Range
MR Medium Range
HR High Range
C Reagents from Chemetrics
©
L Liquid reagent
P Powder (reagent)
PP Powder Pack
T Tablet
TT Tube Test
DEHA N,N-Diethylhydroxylamine
DPD Diethyl-p-phenylendiamine
DTNB Ellmans reagent
PAN 1-(2-Pyridylazo)-2-napthol
PDMAB Paradimethylaminobenzaldehyde
PPST 3-(2-Pyridyl)-5,6-bis(4-phenylsulfonic acid)1,2,4-triazine
TPTZ 2,4,6-Tri-(2-Pyridyl)-1,3,5-triazine
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