Hanna-instruments HI 38082 Manuel d'utilisateur télécharger pdf (Page 2)

The chemicals contained in this kit may be hazardous if

improperly handled. Read the relevant Health and Safety

Data Sheet before performing this test.

HEALTH AND SAFETYHEALTH AND SAFETY

HEALTH AND SAFETY

REFERENCESREFERENCES

REFERENCES

Adaptation of the Turbidimetric Tetraphenylborate Method.

POTASSIUM CONVERSION TABLE

mg/L lbs/A Kg/A meq/100g

10 20 22 0.026

15 30 33 0.038

20 40 45 0.051

25 50 56 0.064

30 60 67 0.076

35 70 78 0.090

40 80 89 0.100

45 90 100 0.120

50 100 112 0.130

75 150 167 0.190

100 200 223 0.260

125 250 279 0.320

150 300 334 0.380

175 350 390 0.450

200 400 446 0.510

225 450 502 0.580

250 500 558 0.640

Note: meq/100 g is milliequivalent per 100 grams.

12-Add demineralized water up to

the 25 mL mark.

13- Follow the instructions from step

3 to step 8.

14-Read from the Graduated card the value corresponding

to the level of the liquid in the test tube and multiply

it by 5 to obtain the concentration in mg/L (ppm) of

potassium.

15-Rinse all labware with demineralized water after each

analysis and shake dry.

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Hanna-instruments HI 38082 Manuel d'utilisateur Page 2