ASTM D664 Total Acid Number Tester by Potentiometric Titration-Huazheng Electric Manufacturing (Baoding) Co., Ltd

ASTM D664 Total Acid Number Tester by Potentiometric Titration

I.Summary

HZDS211 potentiometric titration automatic pH value meter is based on GB/T 7304-2000 Petroleum Products and Lubricants Acid Value Determination Method (Potentiometric Titration Method) equivalent to ASTMD664, SH/T0251-2004 and other standards to set the acid value of petroleum products and lubricants It is designed according to standards such as base value determination method (color indicator method) and GB/T 18609, SH/T0688, NB/SH/0836 determination of crude oil acid value (potentiometric titration method) and other standards

Product number	HZDS211
Product name	Potentiometric titration automatic pH value meter
Test items	It is used in the petrochemical industry to determine the acid value of various samples such as crude oil, petroleum products, lubricants, etc.
Standards compliant	GB/T 7304-2000 Petroleum Products and Lubricants Acid Value Determination Method (Potentiometric Titration Method) Equivalent to ASTMD664, SH/T0251-2004 and other standards set petroleum products and lubricants acid value and base value determination method (color indicator method) And GB/T 18609, SH/T0688 Determination of crude oil acid value (potentiometric titration method)
Simple technical features or parameters	Real-time display of potential curve (E-V), first derivative curve (dE/dV), electrode potential (E), titration volume (V), titration results

II. Main Technical Parameters And Features

◆ General microcomputer and operating system, Windows10 operating system, the operation adopts man-machine dialogue, the steps are clear, simple and easy to operate; special software Chinese window interface, mouse, keyboard operation, man-machine dialogue is easy to understand.

◆ Real-time display of potential curve (E-V), first derivative curve (dE/dV) and electrode potential (E), titration volume (V), titration results

◆ Full process titration data browsing, powerful data processing function, easy to reprocess results; mass storage of titration results, data, curves, titration process data can be saved as an Excel file for future query

◆ Automatically print curves, results and titration data

◆ Dynamic equivalence point titration (DET), equivalence equivalence point titration (MET), preset endpoint potential titration (SET)

◆ Fully automatic "end point" discrimination, effectively filtering out false "end point"

◆ Automatic cleaning, automatic liquid replenishment, automatic fixed value liquid addition

◆ Measuring range: ≥0.001 mgKOH/g

◆ Potential measurement range: -2000.0～+2000.0 mV

◆ Basic error of electronic unit: 0.1%F·S±0.1 mV

◆ Input impedance: ≥1×1012Ω

◆ Burette volume: 10mL

◆ Minimum titration volume: 0.001mL

◆ Burette accuracy: ±0.2%F·S

◆ Precision: meet or exceed relevant standards