Hanna Instruments HI 4008 User Manual

Page 15

XIV. S

XIV. Storage and Care of the HI 4008 and

torage and Care of the HI 4008 and

HI 4108 sensors

The HI 4008 and HI 4108 sensor can be stored in very
dilute standards (<10

-3

M) for short periods of time.

The HI4008 should be stored dry with it’s protective cap
on for longer periods. For longer term storage of the
model HI 4108 combination electrode ;Drain and wash
of salts with distilled or deionized water. Unscrew the
upper cap and move outer sleeve up cable. Wrap the
ceramic junction on the inner stem with Parafilm

® or

other sealing wrap. Place the protective cap provided
over the dried membrane and store in original storage
box provided with electrode.
XV

XV.

. Conversion T

Conversion T

Conversion Tables For Cu

ables For Cu

Multiply

Moles/L (M) to ppm (mg/L)

6.354 x 10

ppm (mg/L) to M (moles/L)

1.574 x 10

-4

XIII.

XIII.pH

HI 4108 and HI 4008 electrodes may be used in solutions
with pH values between 4 and 6. Samples above pH 6
may form Cu(OH)

. Adjust these samples with nitric acid.

This manual is related to the following products:

HI 4108