Karl Fischer, Karl Fischer moisture analyzer, is a well-known classic method for detecting moisture with high accuracy. Karl Fischer moisture analyzer can be widely used in petrochemical, pharmaceutical, daily chemical, food, agriculture, commodity inspection, laboratory and many other industries of trace moisture detection.
According to the Karl Fischer determination of moisture content, in the presence of methanol and alkali, water reacts with iodine and sulfur dioxide in accordance with the following chemical formula: H2O I2 SO2 CH30H 3RN → [RHN] SO4CH3 2 [RHN]I For volumetric titration, iodine is added as a titrant.
The Karl Fischer moisture analyzer uses the plunger titration method according to Karl Fischer's capacity method. The titration process of the plunger is controlled by the single-chip microcomputer, the dynamic signal of the electrode is collected, the stop point is automatically determined, and the measurement result is calculated.
(1) Safe experimental environment: The system adopts an all-closed integrated design. As long as the relevant parameter key is pressed, the solvent can be automatically replaced (discharge waste liquid and absorb the solution), avoiding the contact of chemical reagents with the human body and giving you a A safe working environment makes your work easy and efficient.
(2) Full Chinese display, simple operation, higher degree of automation: Chinese interface operation makes human-machine dialogue more intimate. The instrument has an automatic, real-time monitoring system that automatically returns and removes trace amounts of water intruding into the titration cell. In the titration, you enter the parameters according to the operating instructions to complete the test test. The test time for one sample can be completed within 30 seconds to several minutes, and a test report is printed out.
(3) The measurement results are of high accuracy and good reproducibility: the instrument system is highly enclosed, the titration drift value is extremely low, and a trace moisture content of 0.15-500 mg can be measured, which ensures the accuracy and reliability of the measurement results.
(4) The test sample can be liquid, solid, gas, and paste.
According to the Karl Fischer determination of moisture content, in the presence of methanol and alkali, water reacts with iodine and sulfur dioxide in accordance with the following chemical formula: H2O I2 SO2 CH30H 3RN → [RHN] SO4CH3 2 [RHN]I For volumetric titration, iodine is added as a titrant.
The Karl Fischer moisture analyzer uses the plunger titration method according to Karl Fischer's capacity method. The titration process of the plunger is controlled by the single-chip microcomputer, the dynamic signal of the electrode is collected, the stop point is automatically determined, and the measurement result is calculated.
(1) Safe experimental environment: The system adopts an all-closed integrated design. As long as the relevant parameter key is pressed, the solvent can be automatically replaced (discharge waste liquid and absorb the solution), avoiding the contact of chemical reagents with the human body and giving you a A safe working environment makes your work easy and efficient.
(2) Full Chinese display, simple operation, higher degree of automation: Chinese interface operation makes human-machine dialogue more intimate. The instrument has an automatic, real-time monitoring system that automatically returns and removes trace amounts of water intruding into the titration cell. In the titration, you enter the parameters according to the operating instructions to complete the test test. The test time for one sample can be completed within 30 seconds to several minutes, and a test report is printed out.
(3) The measurement results are of high accuracy and good reproducibility: the instrument system is highly enclosed, the titration drift value is extremely low, and a trace moisture content of 0.15-500 mg can be measured, which ensures the accuracy and reliability of the measurement results.
(4) The test sample can be liquid, solid, gas, and paste.
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