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 SAFETY
HEALTH AND SAFETY
HEALTH AND SAFETY
HEALTH AND SAFETY
HEALTH AND SAFETY
REFERENCES
REFERENCES
REFERENCES
REFERENCES
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.
