ASTM D3227 Potentiometric Method Fuels Mercaptan Sulfur Tester

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ASTM D3227 Potentiometric Method Fuels Mercaptan Sulfur Tester

I. Overview

The potentiometric titration method is to track and record the electrode potential and titration volume during the titration process, find out the potential characteristic hop (ie equivalent point) and the volume of the standard titration solution corresponding to the potential characteristic hop, so as to obtain the dripped sample. The content of ions in the liquid. HZZD-100 automatic potentiometric titrator is based on this method, in strict accordance with GB/T7304, GB/T264, the titration curve is smoothed, and the titration end point position is corrected, which effectively ensures the accuracy of the results.

II. Technical indicators

1. Applicable standard: GB/T9725 ASTM D3227

2. Functions: acid-base titration, precipitation titration, redox titration, complexometric titration, non-aqueous titration and other titrations, and has a dynamic titration mode.

3. Potential measurement range; (0～±2000)mV, PH: 0～20.00PH

4. Basic error of electronic unit: mV: ±0.03%F•S± 1 character pH: ±0.001pH ± 1 character

5. Input impedance: Ri≥1×1012Ω

6. The volume of the burette: 10ml, the minimum volume is 0.01mL, the minimum sending volume is 0.001mL, and the resolution of the burette is 1/20000.

7. Burette accuracy: ±0.1% (F•S)

8. Burette dripping time: (60±20) seconds (F•S)

9. Titration unit: Metrohm

10. Minimum sending volume (minimum feeding): 0.001mL

11. Sampling volume: 30ml

12. Repeatability error of titration end point: ≤0.2%

13. Analysis time: depends on the sample size

14. Data communication interface: RS232 or workstation

15. Power: 50w

16. Weight, kg: 6KG

17. Dimensions, mm (L×W×H): 260mm×230mm×460mm

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