Automatic Potentiometric Titrator LPTT-T2012

Introduction

Automatic Potentiometric Titrator features a titration volume accuracy of 0.01 ml, ensuring highly reliable volumetric measurements during titration. The titrator has a corrosion-resistant burette for minimizing maintenance and preventing titrant contamination. It delivers a real-time display of the titration curve, ensuring precise monitoring and analysis throughout the process. Our automatic potentiometric titrator offers a rapid burette filling time for quick reagent replacements, optimizing workflow efficiency.

This potentiometric titrator is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Automatic Potentiometric Titrator  calculates concentration endpoint with high reproducibility. It plays a key role in food and beverages, metal, plating, lubricants and petroleum for measuring acidity or alkalinity in different materials. 

Specifications

Measuring Range	±1,999 mV, 0.00 to14.00 pH
Measuring Resolution	0.1mV, 0.01pH
Titration Volume Accuracy	0.01ml
Titration Tube Infusion / Rehydration Speed	10 sec
Titration Tube Resolution	1/20000
Temperature Range	-5 to -105℃
Temperature Resolution	0.1℃
Possible Error	±0.2 ℃
Titration Cup Capacity	250 ml
Temperature Compensation	Optional
15 mL Burette Capacity Tolerance	±0.025 ml
25 mL Burette Capacity Tolerance	±0.035 ml
Titration Mode	Acid-base titration, redox titration precipitation, complexation, non-water titration
Micro detection of Electrodes	Domestic brand
Microinjection Pump	Domestic brand
Repeatability of the Titration Analysis	0.2%
Largest Possible Error	0.2 mV, 0.02 pH
For Mixing Sample	Not equipped
Method of Stirring	Magnetic stir
Video Display	7-inch Touch-color display
Power Supply	110 to240V / 60Hz
Weight	8 kg

Features

Imported Solenoid Valve

Electromagnetic Stirring System

Accurate Volume Measurement 

Micro-Detection Electrodes

Automatic Pipeline Cleaning

FAQs

1. How can one optimize the performance of an automatic potentiometric titrator ?

To optimize performance, ensure proper electrode maintenance, regular calibration, and appropriate titrant standardization. Sample preparation must be consistent, with stable temperature and pH conditions. The automatic potentiometric titrator should be operated in a clean, vibration-free environment. Choosing the right electrode type and titration method for your application improves accuracy. The software settings should be fine-tuned to optimize titrant delivery rate and endpoint sensitivity. Periodic performance verification using known standards ensures continued accuracy. Training operators on standard operating procedures prevents misuse. Proper optimization extends equipment life and improves analytical reliability.

2. How does an automatic potentiometric titrator enhance accuracy and repeatability in analysis?

automatic potentiometric titrator improves accuracy by automating titrant addition, electrode potential measurement, and endpoint detection. Unlike manual titrations, it eliminates parallax errors and subjective color change judgments. This automation ensures that each titration is carried out with identical parameters, improving repeatability. Sophisticated microprocessors in the automatic potentiometric titrator analyze titration curves and calculate exact concentrations. Temperature compensation and calibration protocols further ensure analytical precision. The closed system prevents contamination and minimizes sample exposure. Built-in data logging also allows traceability and validation of results. This makes it suitable for critical applications requiring stringent quality control

3. What are the best practices for titrant and reagent standardization in ?

Titrants must be standardized gravimetrically against primary standards—such as potassium hydrogen phthalate for acid titrants—using analytical balances with 0.1 mg readability. Automated titrators often include a “titrant check” routine, which titrates a known concentration to verify molarity and adjusts the calculation parameters accordingly Freshly prepared titrants should be degassed or sonicated to remove dissolved gases that cause volume inaccuracies Record the standardization curve and slope in the device’s method settings to apply batch-specific corrections. For non-aqueous titrations, ensure the titrant solvent is dried over molecular sieves to reduce water content variability. Use volumetric flasks calibrated at the laboratory’s operating temperature to minimize thermal expansion errors. Replace titrant solutions monthly or per your lab’s stability study to avoid degradation. Ensure that burette assemblies are free of air bubbles by priming with titrant before each standardization cycle

4. How does temperature fluctuation affect titration accuracy, and how is it compensated?

Temperature variations alter electrode response and titrant density, leading to endpoint shifts if uncorrected. titrators include a built-in thermometer or probe to monitor sample temperature throughout the run. The software applies Nernstian compensation to pH measurements, adjusting the slope factor based on the measured temperature. For volumetric dosing, the pump calibration accounts for titrant viscosity changes with temperature, maintaining delivery accuracy. Users can enable automatic temperature compensation () in the method parameters to correct both potential and volume errors. It is recommended to allow the titrant and sample to equilibrate to lab temperature (±2 °C) prior to analysis Some systems log temperature profiles alongside titration curves for post-run quality checks. In highly controlled environments, an external water bath can be integrated for tighter thermal regulation.

5. What types of titrations can be performed with an automatic potentiometric titrator - B12?

automatic potentiometric titrator supports a wide variety of titrations, including acid-base, redox, precipitation, and complexometric titrations. It can also be used for non-aqueous titrations, especially in pharmaceutical and petrochemical analysis. For redox titrations, it monitors potential shifts due to electron transfer reactions. In acid-base titrations, it detects sharp voltage changes around the equivalence point. The automatic potentiometric titrator is also compatible with ion-selective electrodes for specific ions. Its flexible programming allows multi-step titrations and derivative curve analysis. Each titration type benefits from the instrument’s high sensitivity and automated control. This versatility makes it an essential lab asset.