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Petroleum product Karl Fischer moisture analyzer
GB/T 11133 Determination of water content in petroleum products, lubricating oils and additives Karl Fischer coulometric titration method. GB/T 6324.8
Product details
Petroleum product Karl Fischer moisture analyzer MKC-710M/MKC-710S/MKC-710B
Method Summary
Add a certain amount of sample to the titration cell of the Karl Fischer coulomb apparatus, and the iodine generated by the anode of the titration cell reacts with the water in the sample in a 1:1 ratio according to the stoichiometry of the reaction. After all the water in the titration cell is consumed, the titrator detects the electrical signal generated by excess iodine to determine the endpoint of the titration and terminate the titration. Therefore, according to Faraday's law, the amount of water titrated is proportional to the total integrated current.
The unit of measurement for sample injection volume can be either a mass unit or a volume unit.
Samples with high viscosity or interference reactions can be measured using a moisture evaporator. Add the sample to a moisture evaporator and heat it. The evaporated water is carried into a Karl Fischer titration cell by a dry carrier gas for titration analysis.
Standard method for Karl Fischer moisture analyzer MKC-710M/MKC-710S/MKC-710B for petroleum products:
GB/T 11133-2015 Determination of water content in petroleum products, lubricating oils and additives Karl Fischer coulometric titration method.
GB/T 6324.8-2014 Test Methods for Organic Chemical Products Part 8: Determination of Moisture in Liquid Products Karl Fischer Coulombic Method.
GB/T 3727-2003 Determination of Trace Water in Ethylene and Propylene for Industrial Use.
GB/T 5074-1985 Method for determination of moisture content in coking products.
GB/T 6023-2008 Determination of Trace Water in Industrial Butadiene Karl Fischer Coulomb method.
GB/T 7376-2008 Determination of Trace Moisture in Fluorinated Alkanes for Industrial Use.
GB/T 7600-2014 Determination of moisture content in transformer oil and turbine oil during operation (Coulombic method).
GB/T 18619.1-2002 Determination of Water Content in Natural Gas Karl Fischer Coulombic Method.
GB/T 11146-2009 Determination of Crude Oil Water Content Karl Fischer Coulombic titration method.
GB 23971-2009 Organic heat carriers (quality index: moisture).
GB 24747-2009 Safety Technical Conditions for Organic Heat Carriers (Quality Index: Moisture).
GB/T 26626-2011 Determination of moisture content in animal and vegetable oils and fats Karl Fischer method (pyridine free) (Appendix B Coulombic titration method).
GB/T 26793-2011 Coulombic Method for Trace Moisture Determination`
SH/T 0246-92 (2004 confirmed) Determination of Water Content in Light Petroleum Products (Electricity Method).
SH/T 0255-92 (2004 confirmed) Method for determination of water content in additives and lubricating oils containing additives (electric method).
SN/T 2382-2009 Determination of Trace Moisture in Liquefied Petroleum Gas Karl Fischer Method`
SH/T 0630-1996 Determination of Bromine Value and Bromine Index of Petroleum Products (Electricity Method).
SH/T 1551-2018 Determination of Bromine Index of Industrial Aromatic Hydrocarbons Coulombic Titration Method.
NB/SH/T 0207-2010 Determination of water content in insulating liquids Karl Fischer titration method.
NB/T 42140-2017 Insulation liquid oil immersed paper and oil immersed paperboard - Determination of moisture by Karl Fischer automatic titration method.
JJG 1044-2008 Verification Regulations for Karl Fischer Coulombic Method for Trace Moisture Determination.
ASTM D6304 - 16e1 Standard Test Method for Determination of Water in Petroleum Products, Lubricating Oils, and Additives by Coulometric Karl Fischer Titration( Test Method for Water in Petroleum Products, Lubricants, and Additives by Karl Fischer Coulombic Titration.
ASTM D4928 - 12(2018) Standard Test Methods for Water in Crude Oils by Coulometric Karl Fischer Titration( Test Method for Water in Crude Oil by Karl Fischer Titration with Electricity Meter.
ASTM D1533 - 12 Standard Test Method for Water in Insulating Liquids by Coulometric Karl Fischer Titration( Test method for moisture in insulating liquids/insulating oils (Karl Fischer method).
ASTM E1064 - 16 Standard Test Method for Water in Organic Liquids by Coulometric Karl Fischer Titration( Test Method for Water Content in Organic Liquids by Karl Fischer Coulombic Titration.
ASTM D1492 - 13 Standard Test Method for Bromine Index of Aromatic Hydrocarbons by Coulometric Titration( Coulometric titration method for determining the bromine index of aromatic hydrocarbons.
ISO 12937:2000 Petroleum Products - Determination of Water - Coulometric Karl Fischer Titration Method( Determination of moisture content in petroleum products by Coulombic Karl Fischer titration method.
ISO 10337:1997 Crude petroleum - Determination of water - Coulometric Karl Fischer titration method for the determination of crude oil water.
BS EN ISO 10101-1:1998 Natural Gas - Determination of Water by the Karl Fischer Method - Part 1: Introduction( Natural Gas - Determination of Water in Natural Gas by Karl Fischer Method - Part 1: Introduction.
BS EN ISO 10101-3:1998 Natural Gases - Determination of Water by the Karl Fischer Method - Part 3: Coulometric Procedure( Natural gas - Determination of water in natural gas by Karl Fischer method - Part 3: Coulombic method.
IEC 60814 Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration( Insulating liquid Oil paper and cardboard Using Carl Fischer automatic titration method for determining water content.
Petroleum product Karl Fischer moisture analyzer MKC-710M/MKC-710S/MKC-710B
MKC-710M: Wireless connection between touch screen and operation unit, while controlling four automatic titration measurement units.
By using a wireless adapter (Bluetooth), the operating unit and titration device can be connected without cables. When there are harmful gases during the measurement of the sample, the titration device can be placed in the smoke exhaust cabinet and the titration can be performed by the wireless transmission operation unit.
MKC-710M/MKC-710S: Fast electrolysis technology with an electrolysis rate of 2.6mg/min. It can reduce the time for pre titration and measurement.
Petroleum product Karl Fischer moisture analyzer MKC-710M/MKC-710S/MKC-710B
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form |
Automatic Karl Fischer moisture analyzer |
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Instrument model |
MKC-710M |
MKC-710S |
MKC-710B |
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Instrument composition |
MCU-710M+MKC-710 Solvent exchange unit (optional) |
MCU-710S+MKC-710 Solvent exchange unit (optional) |
MKC-710 Solvent exchange unit (optional) |
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measuring method |
Karl Fischer Coulomb electric quantity method |
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measuring range |
Moisture content: 1μg～300mgH2O(1000mg) Bromine Value Bromine Index Content |
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Measurement pool |
Diaphragm type measuring cell or non diaphragm type measuring cell |
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accuracy |
Relative standard deviation: less than 0.3% (n=10), according to standard measurement methods and reference materials |
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Display resolution |
0.1μg |
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Control method |
Constant current pulse time control |
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Endpoint detection |
Dual platinum detection electrode AC polarization method |
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End point judgment method |
Drift stability judgment, or setting measurement time |
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Reagent demand |
Anode solution: 100mL (150mL), catholyte: 5mL |
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measuring method |
120 measurement methods |
20 sets of measurement methods |
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Key operation |
touch screen |
Key |
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display |
1) 8.4-inch color LCD screen, 800x600 dots |
1) White LED LCD screen |
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2) English/Japanese/Chinese/Korean/ Russian/Spanish/German/French |
2) English/Japanese/Chinese /Korean/Russian/Spanish |
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3) Four channels are displayed simultaneously (Can be connected to a potentiometric titrator or a volumetric/coulombic moisture analyzer simultaneously) |
3) One channel display |
3) One channel display |
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calculation |
Concentration calculation, statistical calculation (mean, standard deviation, relative standard deviation), automatic input of blank values |
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Data storage |
500 sets of sample results |
100 sets of sample results |
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GLP certification |
Register operator/use group management Performance check: Remind the scheduled check date/record the check results Trial drug lifespan: indicating the date of trial drug replacement and the responsiveness of the trial drug Time management: Display operation time |
Register operator/record inspection results/date of reagent replacement/reagent response capability/manage measurement time |
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External output |
RS-232C × 4 Printer, electronic balance, data software (SOFT-CAP), Moisture evaporator, multi sample automatic sampler |
RS-232C × 2 Printer, electronic balance, Data software (SOFT-CAP) |
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USB × 1 USB flash drive, thermal printer, A4 printer, keyboard, Barcode machine, foot switch, USB hub |
USB × 1 USB flash drive, thermal printer, keyboard, Barcode machine, foot switch, USB hub, Android device |
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SS-BUS X 1 : APB |
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LAN x 1 : Computer (PC) |
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Expand functions |
Measurement unit: Potentiometric titrator (AT-710) Capacity Moisture Meter (MKV-710) Coulombic Moisture Analyzer MKC-710 Four measuring units |
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Automatic piston burette: can control 2 burette drive units |
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Moisture evaporator: ADP-611 |
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Usage environment |
1) Temperature: 5-35 ° C 2) Relative humidity: Below 85% RH |
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Power Supply |
AC100～240V±10%，50Hz/60Hz |
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Power consumption |
Host: Approximately 30 watts Printer: Approximately 7 watts |
Host: Approximately 20 watts Printer: Approximately 7 watts |
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size |
touch screen: 225(W) × 190(D) × 42(H)mm |
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Titration unit: 141 (W) × 292 (D) × 244 (H) mm (excluding pipelines) Blender: 107 (W) × 206 (D) × 340 (H) mm (excluding solvent exchange units) Solvent exchange unit: 240 (W) × 140 (D) × 405 (H) mm (excluding pipelines) printer: 106(W) × 180(D) × 88(H)mm |
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weight |
Touch screen: approximately 1.5 kilograms |
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Titration unit: approximately 3.0 kilograms Blender: approximately 2.0 kilograms Solvent exchange unit: approximately 0.6 kg Printer: Approximately 0.4 kilograms |
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ADP-513 Petroleum Product Moisture Heating Furnace
Complies with ASTM D6304 Procedure C (Water Evaporator Accessory).
GB/T 11133-2015 Determination of Water Content in Petroleum Products, Lubricants, and Additives - Karl Fischer Coulombic Titration Test Procedure C (Water Evaporator Indirect Titration Method).
Heating temperature range: room temperature to 200 ° C.
Heating furnace: transparent heating glass, capacity 100mL.
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