Automatic Potentiometric Titrator/ASTM D 644



 APT664 Automated Potentiometric Titrator is used for determination of Total Acid Number (TAN), Total Base Number (TBN), Mercaptan Sulfur and chlorine content of petroleum products, lubricants and transformer insulating oils. Titration is the fundamental chemical analysis procedure whereby the concentration of a chemical substance in solution is determined by reacting it with a measured amount of another chemical. The Auto titrator performs this analysis using a motor driven dispenser, stirred reaction vessel and electrodes which sense the completion of reaction by measuring the potential difference between two electrodes. Automatic Titration increases accuracy, repeatability and reproducibility as well as minimizing errors in calculation and documentation.

Application standards

1.       ASTM D664 Standard Test Method for Acid Number of Petroleum Products by Potentiometric Titration

2.       ASTM D974 Standard Test Method for Acid and Base Number by Color-Indicator Titration

3.       ASTM D2896 Standard Test Method for Base Number of Petroleum Products by Potentiometric Perchloric Acid Titration

4.       ASTM D4929 Standard Test Methods for Determination of Organic Chloride Content in Crude Oil, test method A

5.       ASTM D3227 Standard Test Method for (Thiol Mercaptan) Sulfur in Gasoline, Kerosine, Aviation Turbine, and Distillate Fuels (Potentiometric Method)

6.       ASTM D4739 Standard Test Method for Base Number Determination by Potentiometric Hydrochloric Acid Titration

7.       UOP163 Hydrogen Sulfide and Mercaptan Sulfur in Liquid Hydrocarbons by Potentiometric Titration

Features

1.       Unique built-in dosing unit to avoid the harmless chemical leak

2.       Can do multiple kinds of titration, Acid-base or aqueous titration, Redox titration, Complexometric titration or EDTA titration, Blank titration, Silver Assay titrations,   Non-aqueous titration, Argentometric or Precipitation titration,Back titration

3.       Multiple self-checking function to avoid mis-operating

4.       Flexible application edit functions, operator can store the dedicated titration mode to the test and adopt this mode next time by one click

5.       RS232/USB port, with networked CAN but communication functions.

6.       Very easy to use - intuitive keypad and function guide display

7.       Programmable – TAN,TBN software built-in

8.       Results expressed in mg KOH/g

9.       Connects to external pc keyboard for easy text and sample information data entry

10.   Connects to different types printers, pc and balances

11.   Data Logger – automatic data storage of last 55 analysis results

12.   Hamilton electrode ,model number: 238060 FLUSHTRODE made in Swiss

Technical parameters