LaMotte CHLORIDE TEST KIT DR-C - Manual (Page 3)

HIGH CHLO RIDE & SA LIN ITY READ INGS
Samples with high chloride and salinity readings must be carefully diluted.
Dilutions of 1 to 20 or 1 to 100 are recommended.
EXAMPLE:
1 mL of sample water is diluted to a total of 20 mL with
distilled water. This is a 1 to 20 dilution.
Fill the Titration tube to 10 mL with diluted sample, and perform titration
as described. Multiply Titrator reading by appropriate conversion factor
given below for parts per million (ppm), parts per thousand (ppt) or
percent (%) Chloride.
1 - 20 DILUTION
ppm Chloride = Titrator Reading x 20
ppt Chloride = Titrator Reading x 0.02
% Chloride = Titrator Reading x 0.002
1 - 100 DILUTION
ppm Chloride = Titrator Reading x 100
ppt Chloride = Titrator Reading x 0.1
% Chloride = Titrator Reading x 0.01
To convert parts per thousand (ppt) chloride to parts per thousand (ppt)
Salinity use the following formula:
ppt Salinity = (1.805 x ppt Chloride) + 0.03