Current location - Education and Training Encyclopedia - Graduation thesis - What are the domestic automatic potentiometric titrators?
What are the domestic automatic potentiometric titrators?
ZDJ-2D automatic potentiometric titrator (common type)

★ Control the rotating speed by pulse width modulation; Automatic temperature control using proportional integral differential and dynamic compensation: real-time display of temperature and speed level; External heating device and semiconductor refrigeration device can be used to meet the experiments with special requirements on temperature.

★ Large and clear Chinese display screen can display titration curves, test methods, data results and statistical results, and can obtain more information about parameters and analysis results, which is conducive to improving work efficiency.

★ Chinese monitoring software runs on windows platform and transmits data through RS-232 interface to realize remote operation.

★ High-precision standard piston burette and non-diffusion titration head ensure high-precision potentiometric titration. The push-in design of burette makes it easy and quick to change at any time.

★ Mature technical service can provide a variety of methods and instrument technical manuals to meet the needs of different users.

★ measuring range: PH value: 0~+20.00 potential: -2000 ~+2000 mv temperature: 0~ 125℃

★ Resolution: PH value: 0.0 1 potential: 0. 1mv Temperature: 0. 1℃

★ Typical input current: -3× 10- 15a.

★ The effective accuracy is better than: 0.5mv, and the minimum liquid intake is 0.625 μ l..

★ Measurement methods: dynamic titration, equivalent titration, terminal titration and PH measurement.

★ Method storage capacity: 10 titration methods; 100 titration result

★ Peripheral interface: printer interface, RS232C interface.

★ The titration process is displayed in Chinese, which can be input and output in Chinese and English.

★ Different electrodes can be selected for acid-base titration, redox titration, complexometric titration, quantitative determination of silver and determination of ion concentration.

★ It has many measuring modes such as dynamic titration, equivalent titration, end-point titration and PH measurement.

★ The titration results can be output in the format required by GLP/GMP, and the stored titration results can be statistically analyzed.

★ Equipped with titration monitoring software, which can monitor the whole titration process and upgrade the version through this software.

Analysis method and application

1. Drug Inspection Institute of pharmaceutical factory, etc. : drug content analysis, drug residue analysis and impurity analysis.

2. Application in food industry: determination of peroxide value, acid value, iodine value, amino acid nitrogen and chloride in alcoholic beverages.

3. Application in petroleum products: determination methods of acid value and base value, and determination methods of mercaptan sulfur content in gasoline, kerosene aviation fuel and distillate fuel.

4. Used in soil fertilizer/environmental protection/water treatment/electricity/coal/chemicals/materials.

At present, we have established a library of potentiometric titration analysis methods in pharmaceutical industry and petrochemical industry, and collected a large number of experimental data and analysis methods. These methods can be directly used as laboratory SOP (standard operating procedures), saving time and effort. Welcome to obtain application reports from other industries.

ZDJ-400 fully automatic multifunctional titrator

★ Chinese interface, easy to understand, can be input and output in Chinese and English, equipped with a micro printer, which can print Chinese reports in accordance with GMP format.

★ Dynamically display titration process and titration curve, which can store 30 titration methods and 1 10 titration results, and make statistical analysis on the stored titration results.

Different electrodes were selected for acid-base titration, redox titration, complexometric titration, precipitation titration and other experiments.

★ Karl Fischer titration, never-stop titration, potentiometric titration and constant PH titration can be completed by selecting corresponding accessories.

★ Parameters can be modified during titration to change the titration process.

★ It has many measuring modes, such as dynamic titration, equivalent titration, endpoint titration, constant PH titration and PH measurement.

★ Equipped with titration monitoring software, which can monitor the whole titration process and upgrade the version through this software.

Potential technical specifications

★ measuring range: PH value: 0~+20.00 potential: -2000 ~+2000 mv temperature: 0~ 125℃

★ Resolution: PH value: 0.0 1 potential: 0. 1mv Current: 0~ 1μA Temperature: 0. 1℃

★ Resolution of burette: 1/20000 tube volume

★ Zero temperature drift: 10 ~ 70℃< 20UV/ degree.

★ Effective accuracy: 0.5mv.

★ Measurement methods: dynamic titration, equivalent titration, terminal titration, constant PH titration and PH measurement.

★ Method storage capacity: 50 titration methods; 1 10 Peripheral interface for titration results.

★ Peripheral interface: printer interface: RS232C interface.

Moisture technical specification

★ Polarized voltage output: 0~2550mv

★ Polarization step: 10mv

★ Polarization output error: < 3%

★ Maximum output current of polarization voltage: 5mA

★ Maximum range: 0 ~ 200μ a.

★ Resolution: 0.0 1μA

★ Effective accuracy is better than: 0.1μ a.

★ Minimum liquid intake: 0.5μl l l.

★ Moisture measuring range: 10ppm~ 100%.

★ Result unit: mg; %; parts per million

★ Determination time (depending on titer): 30 seconds to several minutes.

★ Method Storage capacity: 1 10 titration result.

★ Peripheral interface: printer interface, RS232C interface.

Permanent stop technical specification

★ Polarization voltage: 0 ~ 2000 mV

★ Measuring range: 0 ~ 2000 nm

★ Resolution: 0. 1nA

★ Resolution of burette: 1/20000 tube volume

★ Method Storage capacity: 1 10 titration result.

★ Peripheral interface: printer interface, RS232C interface.

Analysis method and application

1. Drug Inspection Institute of pharmaceutical factory, etc. : drug content analysis, drug residue analysis, impurity analysis, moisture determination.

2. Application in food industry: determination of peroxide value, acid value and iodine value of edible oil, determination of amino acid nitrogen and chloride in alcoholic beverages, and determination of moisture content.

3. Application in petroleum products: determination of acid value and base number, determination of mercaptan sulfur content in gasoline, kerosene aviation fuel and distillate fuel, and determination of moisture content in liquid petroleum products.

4. Used in soil fertilizer/environmental protection/water treatment/electricity/coal/chemicals/materials.

ZDJ-3D automatic potentiometric titrator

Product characteristics

★ The titration process is displayed in Chinese, which can be input and output in Chinese and English.

★ Different electrodes can be selected for acid-base titration, redox titration, complexometric titration, quantitative determination of silver and determination of ion concentration.

★ It has many measuring modes such as dynamic titration, equivalent titration, end-point titration and PH measurement.

★ The titration results can be output in the format required by GLP/GMP, and the stored titration results can be statistically analyzed.

★ Equipped with titration monitoring software, which can monitor the whole titration process and upgrade the version through this software.

Product parameter

★ measuring range: PH value: 0~+20.00 potential: -2000 ~+2000 mv temperature: 0~ 125℃

★ Resolution: PH value: 0.0 1 potential: 0. 1mv Temperature: 0. 1℃

★ Typical input current: -3× 10- 15a.

★ The effective accuracy is 0.5mv, and the minimum liquid intake is 0.0625 μ l..

★ Measurement methods: dynamic titration, equivalent titration, end-point titration and PH measurement method of storage capacity.

★ Method storage capacity: 10 titration methods; 100 peripheral interface for titration results.

★ Peripheral interface: printer interface: RS232C interface.

Product introduction

★ Control the rotating speed by pulse width modulation; Automatic temperature control using proportional integral differential and dynamic compensation: real-time display of temperature and speed level; External heating device and semiconductor refrigeration device can be used to meet the experiments with special requirements on temperature.

★ Large and clear Chinese display screen can display titration curves, test methods, data results and statistical results, and can obtain more information about parameters and analysis results, which is conducive to improving work efficiency.

★ Chinese monitoring software runs on windows platform and transmits data through RS-232 interface to realize remote operation.

★ High-precision standard piston burette and non-diffusion titration head ensure high-precision potentiometric titration. The push-in design of burette makes it easy and quick to change at any time.

★ Mature technical service can provide a variety of methods and instrument technical manuals to meet the needs of different users.