Potentiometric titrator EzTitrator-L pH stat: The specialist for pH stat and oil analysis

The EzTitrator-L pH stat potentiometric titrator by Electrolab is a powerful and versatile instrument, specifically designed for advanced applications like pH stat titrations and Total Acid/Base Number (TAN/TBN) analysis in the petroleum industry. With its advanced microcontroller and user-friendly software, it is a reliable tool for quality control and R&D labs that require precision and standards compliance.

Specialized features of the EzTitrator-L titrator

This product is equipped with unique features to serve specific and complex analytical needs.

Specialized for pH stat applications and oil analysis (TAN/TBN)

The EzTitrator-L stands out with its pH stat mode, which maintains the pH of a solution at a constant value by precisely adding an acid or base. This function is critical for studying the kinetics of pH-dependent reactions, such as enzyme activity or dissolution rates. Furthermore, the instrument fully complies with ASTM D664, D2896 & D4739 standards, making it the ideal choice for analyzing TAN and TBN in oil samples.

Superior precision with high-resolution burette

The device boasts a burette with an incredible resolution of 1/20000 (equivalent to 0.001 mL). This ultra-fine resolution ensures extremely accurate titrant dosing, allowing for sharp endpoint detection and delivering highly repeatable results.

Flexibility in methods and calculations

The instrument supports multiple titration modes (FED, SVD, ASD, pH STAT) and provides built-in calculation formulas for various units (%, ppm, mg/L, TAN, TBN). Notably, it can automatically perform statistical calculations like Relative Standard Deviation (RSD) and linearity, saving users time and eliminating manual calculation errors.

GLP compliance and effective data management

All printed reports are GLP compliant, with authenticating information such as sample name, titrant name, instrument serial number, and a factory-entered customer name. This ensures the integrity and traceability of data, a critical requirement in controlled laboratory environments.

Detailed technical specifications

• Model: EzTitrator-L pH stat

• Principle: Volume determination by equivalence point, end point, or pH STAT

• Control: Microcontroller-based

• Burette Resolution: 1/20000 (0.001 mL)

• mV Accuracy: 0.1 mV

• Titration Modes: FED, SVD, ASD, pH STAT

• Method Storage: 51 methods

• Compatible Sensors: pH, Redox, Argentometric, KF/Voltametric, PT100

• Display: 20 x 2 line backlit LCD display

• Connectivity: 1 Parallel Port (printer), 2 Serial Ports (balance & PC)

Frequently asked questions (FAQ)

1. What is “pH stat” titration and what is it used for?
A pH stat is a titration method where the instrument continuously adds an acid or base to keep the pH of a solution constant. It is very useful for studying the rate of pH-dependent chemical reactions, for example, enzyme activity or the dissolution of a pharmaceutical substance.

2. What makes this instrument suitable for TAN/TBN analysis?
The instrument complies with international standard methods ASTM D664, D2896 & D4739, which are widely recognized procedures for determining Total Acid Number (TAN) and Total Base Number (TBN) in petroleum products. It also has built-in calculation formulas for these indices.

3. How is this model different from the EzTitrator models with touch screens?
The EzTitrator-L uses an LCD display and a membrane keyboard, focusing on core functionality and robustness. The other models feature color touch screens, modern graphical interfaces, and 21 CFR Part 11 compliance, making them suitable for pharmaceutical environments with higher demands on user interface and electronic data management.

4. Is this model 21 CFR Part 11 compliant?
No, this model is designed to be GLP (Good Laboratory Practice) compliant with reliable printout reports. It does not have the features of 21 CFR Part 11 compliant software found in the ezTiTRATR and ezTiTRATR+ models.

5. How do I connect the instrument to a computer?
You can connect the EzTitrator-L to a computer via one of the two provided serial ports for data transfer.