LaMotte ATQ Digital Series Water Softener Demo Kit - Manual (Page 14)

14
3
hb
* Reagent is a potential health hazard. Read MSDS at www.lamotte.com.
Color
Q
Color
Q
5 5
+
HARDNESS ColorQ Range: 1-41 GPG
*Hardness 1 Buffer: Code 7045-G
*Hardness 2 Indicator: Code 7046-G
1. Press button to go to “Hd” Hardness.
2. Fill a clean tube (0201) to the 5 mL line with water sample.
3. Add 5 drops Hardness 1 Buffer (7045) and Hardness 2 Indicator (7046)
to same tube.
4. Cap. Invert 3 times to mix. Insert tube into ColorQ.
5. Press button to read “Hd” Hardness in gpg. Remove tube.
Samples with hardness concentrations above 41 gpg must be diluted. The
meter will display “Hi”.
A. Use the 1 mL pipet (0354) to add 2 measures (2mL) water
sample to a clean test tube (0201).
B. Dilute to the 5 mL line with distilled or deionized water. Cap and mix.
C. Blank with the diluted sample from Step B. Follow test procedure Step
3-5 with dluted sample. Multiply the displayed result by 2.5
NOTE: To convert from GPG to ppm; Multiply GPG by 17.1
DILUTION