Lovibond MD 610, Instruction Manual

Page: 235 / 360

227
MD 610_1c 09/2015
10. Close the vial tightly with the cap and swirl several
times to dissolve the powder.
11. Place the vial in the sample chamber making sure that
the marks are aligned.
12. Press TEST key.
Wait for a reaction period of 10 minutes.
After the reaction period is finished the measurement
starts automatically.
The result is shown in the display in mg/l Phosphate.
Notes:
1. For correct dosage the spoon supplied with the reagents must be used.
2. For the analysis of Polyphosphate and total Phosphate a prior digestion is required (see
page 228).
3. Sample temperature should be between 15 and 30°C.
4. Conversions:
mg/l P = mg/l PO
4
x 0,33
mg/l P
2
O
5
= mg/l PO
4
x 0,75
5. P
PO
4
P
2
O
5
Reagent Form of reagent/Quantity Order-No.
KS80 – CRP Reagent
KP119 – Ascorbic Acid Liquid reagent / 2 x 65 ml
Powder / 20 g 56L008065
56P011920
For digestion method:
KS278 (50% Sulphuric Acid)
KS135 (Phenolphthalein Indikator)
KS144 (Calcium Hardness Buffer)
KP962 (Ammonium Persulfate Powder)
Liquid reagent / 30 ml
Liquid reagent / 65 ml
Liquid reagent / 65 ml
Powder / 20 g 56L027830
56L013565
56L014465
56P096240
Zero accepted
prepare Test
press TEST
Countdown
10:00