Hanna-instruments HI 83208-2008 Uživatelský manuál stáhnout pdf (Strana 20)

38 39

Manganese HR

• Add the content of one packet of HI 93709B-0 Sodium Periodate

reagent. Replace the cap and shake gently until completely dissolved.

• Reinsert the cuvette into the instrument.

• Press TIMER and the display will show the countdown prior to

the measurement or, alternatively, wait for 1 minute and 30

seconds and press READ. When the timer ends the meter will

perform the reading. The instrument displays the results in

mg/L of manganese.

• Press the  or  to access the second level of functions.

• Press the Chem Frm functional key to convert the result in mg/L of potassium permanganate (KMnO

) and

permanganate (MnO

• Press the  or  to go back to the measurement screen.

INTERFERENCES

Interference may be caused by:

Calcium above 700 mg/L

Chloride above 70000 mg/L

Iron above 5 mg/L

Magnesium above 100000 mg/L.

SPECIFICATIONS

Range 0.0 to 20.0 mg/L

Resolution 0.1 mg/L

Accuracy ±0.2 mg/L ±3% of reading

Typical EMC ±0.1 mg/L

Deviation

Light Source Tungsten lamp with narrow band interference filter @ 525 nm

Method Adaptation of the

Standard Methods for the Examination of Water and Wastewater,

edition,

Periodate method. The reaction between manganese and reagents causes

a pink tint in the sample.

REQUIRED REAGENTS

Code Description Quantity

HI 93709A-0 Citrate 1 packet

HI 93709B-0 Sodium periodate 1 packet

REAGENT SETS

HI 93709-01 Reagents for 100 tests

HI 93709-03 Reagents for 300 tests

For other accessories see page 73.

MEASUREMENT PROCEDURE

• Select the

Manganese HR

method using the procedure

described in the

Method Selection

section (see page 12).

• Fill the cuvette with 10 mL of unreacted sample (up to

the mark) and replace the cap.

• Place the cuvette into the holder and close the lid.

• Press ZERO key. The display will show “-0.0-” when the

meter is zeroed and ready for measurement.

• Remove the cuvette.

• Add the content of one packet of HI 93709A-0 Citrate reagent.

Replace the cap and shake gently until completely dissolved.

Manganese HR

10 mL

MANGANESE HIGH RANGE

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 38 39

Komentáře k této Příručce

Žádné komentáře

Hanna-instruments HI 83208-2008 Uživatelský manuál Strana 20

Komentáře k této Příručce

Související produkty a manuály pro Měřící nástroje Hanna-instruments HI 83208-2008