Automatic Karl Fischer Titrator Oil Moisture Analyzer
Categories: Petroleum Testing EquipmentThe coulometric Karl Fischer titrator is a powerful analytical tool used for the determination of water content in various types of samples. It is a highly accurate and precise method which offers...
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Description
The coulometric Karl Fischer
titrator is a powerful analytical tool used for the determination of water
content in various types of samples. It is a highly accurate and precise method
which offers quick and reliable results, making it a preferred choice for many
laboratories. One of the major advantages of this titration technique is that
it requires very little sample preparation. It can analyze samples with high
moisture content as well as those with low moisture content, making it
versatile for a range of applications.Overall, the coulometric Karl Fischer
titrator is an important tool in various industries such as pharmaceuticals,
food, and petrochemicals.
Features:
1.Strong environmental adaptability, precise, accurate and
stable measurement results.
2.Built-in multiple test methods, easier testing.
3.High reliability.
4.Simple operation.
5.The display content is rich, and the measurement process
is clear at a glance.
6.Multiple test result units are optional, suitable for
different samples.
7.Navigational operation, more intuitive and convenient.
8.Rich extension interface.
Operational principle:
Reaction of Karl Fischer Reagent
and water is:
I2+SO2+3C5H5N+H2O——2C5H5N·HI+C5H5N·SO3 ……( 1 )
C5H5N·SO3+CH3OH——C5H5N·HSO4CH3 ……( 2 )
The reagent solution is mixed of
iodine, pyridine, and methanol. Rest on the Faraday’s law that the iodine which
forms through the electrolysis on the anode has the direction proportion with
electric charge quantity. The chemical formula is:
2I--2e——I2……(3)
From the formula 3, the iodine’s
molecule quantity equals to the water’s. That’s to see, according to the
consumption of the iodine, we can know the water content of the test sample.
The instrument adopts Faradic current automatic control system, can easily
adjusts the Faradaic current, most to 200mA.
Technical Parameters：
Measurement range: 3μg - 199.9mg
water
Polarization voltage: -4000 -
+4000mv; polarization current 0 - 50uA
Measurement speed: 2.8mg H2O/min
(maximum)
Measurement accuracy: 3μg(10ug -
100μg H2O) ≤0.3%（water
content >100μg H2O）
Resolution: 0.1μg H2O
Electrolytic current: 500mA
Electrolytic electrode: Platinum
with diaphragm
Key features: 5 methods can be
selected, 8 calculation formulas, sample unit PPM, %, mg/L, mg/kg can be
switched at will
Display: 7 inch capacitive LCD
touch screen, resolution 1027 x 600
Working environment temperature: +5 ~ +40℃; humidity≤90%
Power supply: 110-250V 50Hz
Instrument size: 495 x 330 x 325mm
Instrument weight: 6kg
quick overview :
The coulometric Karl Fischer
titrator is a powerful analytical tool used for the determination of water
content in various types of samples. It is a highly accurate and precise method
which offers quick and reliable results, making it a preferred choice for many
laboratories. One of the major advantages of this titration technique is that
it requires very little sample preparation. It can analyze samples with high
moisture content as well as those with low moisture content, making it
versatile for a range of applications.Overall, the coulometric Karl Fischer
titrator is an important tool in various industries such as pharmaceuticals,
food, and petrochemicals.
Features:
1.Strong environmental adaptability, precise, accurate and
stable measurement results.
2.Built-in multiple test methods, easier testing.
3.High reliability.
4.Simple operation.
5.The display content is rich, and the measurement process
is clear at a glance.
6.Multiple test result units are optional, suitable for
different samples.
7.Navigational operation, more intuitive and convenient.
8.Rich extension interface.
Operational principle:
Reaction of Karl Fischer Reagent
and water is:
I2+SO2+3C5H5N+H2O——2C5H5N·HI+C5H5N·SO3 ……( 1 )
C5H5N·SO3+CH3OH——C5H5N·HSO4CH3 ……( 2 )
The reagent solution is mixed of
iodine, pyridine, and methanol. Rest on the Faraday’s law that the iodine which
forms through the electrolysis on the anode has the direction proportion with
electric charge quantity. The chemical formula is:
2I--2e——I2……(3)
From the formula 3, the iodine’s
molecule quantity equals to the water’s. That’s to see, according to the
consumption of the iodine, we can know the water content of the test sample.
The instrument adopts Faradic current automatic control system, can easily
adjusts the Faradaic current, most to 200mA.
Technical Parameters：
Measurement range: 3μg - 199.9mg
water
Polarization voltage: -4000 -
+4000mv; polarization current 0 - 50uA
Measurement speed: 2.8mg H2O/min
(maximum)
Measurement accuracy: 3μg(10ug -
100μg H2O) ≤0.3%（water
content >100μg H2O）
Resolution: 0.1μg H2O
Electrolytic current: 500mA
Electrolytic electrode: Platinum
with diaphragm
Key features: 5 methods can be
selected, 8 calculation formulas, sample unit PPM, %, mg/L, mg/kg can be
switched at will
Display: 7 inch capacitive LCD
touch screen, resolution 1027 x 600
Working environment temperature: +5 ~ +40℃; humidity≤90%
Power supply: 110-250V 50Hz
Instrument size: 495 x 330 x 325mm
Instrument weight: 6kg
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