Hanna Instruments HI 38050 - Manual (Page 3)

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Dear Customer,
Thank you for choosing a Hanna Product.
Please read the instruction manual carefully before using the chemical test kit. It will
provide you with the necessary information for correct use of the kit. If you need
additional information, do not hesitate to e-mail us at [email protected].
Remove the test kit from the packing material and examine it carefully to make sure
that no damage has occurred during shipping. If there is any noticeable damage,
notify your Dealer or the nearest Hanna office immediately.
Each kit is supplied with:
• HI 38050-0 Nitrate Reagent, packets (200 pcs);
• 1 checker disc (containing the 38050 disc);
• 2 glass vials with caps.
Extraction Kit:
• Calcium Sulfate, 1 bottle (10 g);
• Demineralizer Bottle with filter cap for about 12 liters of deionized water
(depending on the hardness level of water to be treated);
• 1 2-mm soil sieve;
• 1 plastic test tube (50 mL) with screw cap;
• 1 large funnel;
• filter paper discs
∅
120 mm (100 pcs);
• 1 brush;
• 2 calibrated plastic vessels (50 mL) with cap;
• 1 sample cup (2 g);
• 1 plastic pipette (3 mL);
• 2 spoons.
Note: Any damaged or defective item must be returned in its original packing
materials.
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TEST PROCEDURE
FOR DETERMINING
NITRATE IN SOIL
SAMPLES CALCIUM SULFATE EXTRACTION
7- Remove the cap and fill the Dem-
ineralizer Bottle with tap water.
8- Replace the cap and shake gently for at least
2 minutes. The demineralized water is now
ready.
9- Flip open the top of the Demineralizer Bottle cap.
Squeeze gently the bottle to add demineralized
water to the test tube up to the 20 mL mark.
10- Use the spoon to fill the sample cup with the
sieved soil sample and level the sample in the cup
by discarding the excess soil with the spoon handle.
11- Add to the tube 5 measures of the sample cup of sieved soil
sample.
12- Add 1 level spoon of
Calcium Sulfate. Cap the
tube and mix by shak-
ing it up and down for 1
minute. Place the tube
into one beaker.
13- Place the funnel on the
top of the other beaker .
14- Fold a filter paper disc
twice as shown in the
figure.