HZ-1201 Volumetric Method Karl Fischer Titration Instrument

Volumetric Method Karl Fischer Titration Instrument

Overview

This instrument conforms to most of the volumetric moisture determination standards, and adopts color touch LCD display and operation, which is simple and convenient. It can set a variety of methods, achieve one-key analysis, and browse and print historical data at any time.

Usage notice

Dear users, thank you for purchasing the volumetric moisture analyzer produced by our company.

This manual describes in detail the matters related to the safe and correct use of this series of products.

Please read this manual carefully before use and use it after understanding. During use, please pay attention to the text with the logo and all the contents contained in the precautions.

The company has the right not to be liable for property damage or personal injury caused by the failure to follow the manual.

This manual is indispensable for users to install, maintain and troubleshoot. Please keep it properly.

Safety Precautions

When using, it is strictly prohibited to stretch, knot or squeeze the power cord; and the power cord cannot be bent or folded dangerously.

Please disconnect the power supply of the instrument first when repairing the instrument failure.

This instrument uses 220V AC, non-professionals should not open the machine shell without authorization.

The ground wire must be well grounded, and the ground resistance should be less than 10 ohms.

Please do not use the instrument in an explosive environment.

When using chemicals and solvents, please follow the manufacturer's instructions and general laboratory safety regulations.

All Karl Fischer reagents are flammable and toxic. If the skin comes into contact with Karl Fischer reagent, please rinse immediately with plenty of water. If your eyes come into contact with Karl Fischer reagent, please rinse immediately with plenty of water and consult a doctor.

Measuring principle

Karl Fischer Capacity Method

GB/T 6283 Determination of water content in chemical products In Karl Fischer method (general method), the reaction of Karl Fischer reagent with water is:

H2O plus I2 plus SO2 plus 3C5H5N →2C5H5N·HI plus C5H5N·SO3

C5H5N·SO3 plus ROH→C5H5NH·OSO2OR

The reagent solution used is a mixture of dominant iodine and methanol filled with sulfur dioxide. The instrument adds Karl Fischer reagent with a known titer into the titration cell.

I2→2I--2e

The basis of the measurement is a balanced system with conductivity formed by Karl Fischer reagent with known titer and reagents in the titration cell. When a certain quality of water enters the equilibrium system, the conductivity of the solution increases, and the instrument continuously adds to the titration cell. Inject Karl Fischer reagent, when the reagent in the titration cell reaches equilibrium again. According to the titration of Karl Fischer reagent and the volume of Karl Fischer reagent consumed at the time of titration, the water content in the sample can be obtained through the calculation of the instrument. This is the basic principle of measurement.

Application field

The volumetric moisture analyzer has the advantages of high accuracy, wide application range, simple operation, etc., and is widely used in petroleum, chemical, electric power, pharmaceutical and other fields.

Instrument performance

Instrument characteristics

5.6 inch color touch screen, simple and convenient operation.

Drift correction: automatically deduct measurement errors caused by environmental moisture.

Balance point setting: adapt to the inconsistency of different manufacturers or different batches of reagents.

Method setting: A variety of methods can be set arbitrarily to satisfy the determination of different samples. Do one-click analysis.

Fault Tips: Tips for faults that occur during use, and helps application operators to solve the faults that occur during use in a timely manner.

A variety of sample types to choose from.

A variety of sample units to choose from.

A variety of concentration unit options, a variety of concentration algorithms, there is always one output format you need.

Technical Parameters

Working power supply: AC220V 10 percent 50Hz

Power of the whole machine: about 30W

Environmental temperature: 540 degree

Dimensions: 300 x 260 x 210

Host weight: about 12Kg

Technical index

Measuring range of moisture content concentration: 10ppm-100 percent H2O

Measurement range of absolute water content: 50µg-200mg

General measurement time: 40 seconds to several minutes (depending on sample injection volume, reagent titer and moisture content)

Error range: 10 percent (less than 500ug), 5 percent (not less than 500ug)

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