55
2.
Hardness Standard Solution
HARD(CaCl
2
)-200 solution is a solution of calcium chloride (CaCl
2
)
equivalent to 200 ppm calcium carbonate that is used for the hardness
calibration: Order HARD-200.
C.
Titration Reagent Solutions
Titration reagents are required for all conductometric titrations —
alkalinity, hardness and LSI. LSI titrations require both alkalinity and
hardness reagents. Reagents are available in 2 oz. and quarts/liters.
1. Reagent: A1
Reagent: A1 is a ≤1%WV solution of sulfuric acid (H
2
SO
4
-1)
required for
alkalinity titration: Order H2SO4-1.
2. Reagent: C1
Reagent: C1 is a ≤3%WV solution of hydrochloric acid (HCl-3) required
for hardness titration: Order HCL-3.
3. Reagent: H1
Reagent: H1 is a ≤4%WV solution of pH buffer sodium hydroxide (NaOH)
required for hardness titration: Order NAOH.
4. Reagent: H2
Reagent: H2 is a low concentration ≤5%WV solution of
Ethylenediaminetetraacetic acid (EDTA) required for hardness titration:
Order EDTA-LC.
5. Reagent: H3
Reagent: H3 is a high concentration ≤10%WV solution of
Ethylenediaminetetraacetic acid (EDTA) required for hardness titration:
Order EDTA-HC.
D. pH Buffer Solutions
pH buffers are available in pH values of 4, 7 and 10. Myron L Company
buffer solutions are traceable to NIST certified pH references and are
color-coded for instant identification. They are also mold inhibited and
accurate to within
±
0.01 pH units @ 25°C. Order 4, 7 or 10 Buffer.
Available in 2 oz., quarts/liters, and gallon/~3.8 liter bottles.
E.
pH Sensor Storage Solution
Myron L pH Sensor Storage Solution prolongs the life of the pH sensor.
Available in 2 oz., quarts/liters, and gallon/~3.8 liter bottles. Order SS.
F.
ORP Sensor Conditioner Solution
Myron L ORP Conditioner Solution removes contaminants and
conditions the ORP electrode. Available in 2 oz. and quarts/liters. Order
ORPCOND.
Distributed by Applied Membranes, Inc. www.appliedmembranes.com
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