potentiostat-data-parser 0.0.5

Parse data files created by CH Instruments potentiostats and Palmsens potentiostats

potentiostat-data-parser

Usage

Installation

Install latest from the GitHub repository:

$ pip install git+https://github.com/bxw315-umd/potentiostat-data-parser.git

or from conda

$ conda install -c bxw315-umd potentiostat_data_parser

or from pypi

$ pip install potentiostat_data_parser

Documentation

Documentation can be found hosted on this GitHub repository’s pages. Additionally you can find package manager specific guidelines on conda and pypi respectively.

How to use

CHI Example

print(contents)

July 19, 2022   10:35:26
Differential Pulse Voltammetry
File: dpv_gce_0.1m_pbbuffer_220719.bin
Data Source:  Experiment
Instrument Model:  CHI1040C
Header: 
Note: 

Init E (V) = 0.4
Final E (V) = 1.4
Incr E (V) = 0.004
Amplitude (V) = 0.05
Pulse Width (sec) = 0.06
Sample Width (sec) = 0.03
Pulse Period (sec) = 0.5
Quiet Time (sec) = 2
Sensitivity (A/V) = 1e-5

Ep = 0.584V
ip = -1.618e-7A
Ap = -1.423e-8VA

Potential/V Current/A   Time/s

0.440   -5.844e-7
0.480   -6.668e-7
0.520   -8.177e-7
0.560   -1.002e-6
0.600   -1.023e-6
0.640   -9.839e-7

parse_chi_file(contents)

{'memo': {'timestamp': '2022-07-19T10:35:26',
  'technique': 'Differential Pulse Voltammetry',
  'file': 'dpv_gce_0.1m_pbbuffer_220719.bin',
  'instrument_model': 'CHI1040C'},
 'parameters': {'Init E (V)': 0.4,
  'Final E (V)': 1.4,
  'Incr E (V)': 0.004,
  'Amplitude (V)': 0.05,
  'Pulse Width (sec)': 0.06,
  'Sample Width (sec)': 0.03,
  'Pulse Period (sec)': 0.5,
  'Quiet Time (sec)': 2.0,
  'Sensitivity (A/V)': 1e-05},
 'numeric_data': {'Potential/V': array([0.44, 0.48, 0.52, 0.56, 0.6 , 0.64]),
  'Current/A': array([-5.844e-07, -6.668e-07, -8.177e-07, -1.002e-06, -1.023e-06,
         -9.839e-07])}}

Palmsens example

print(contents)

Date and time:,2025-03-29 23:18:59
Notes:
,,,,,,,,,,,,
Differential Pulse Voltammetry [1]: S49,,Differential Pulse Voltammetry [8]: S48,,Differential Pulse Voltammetry [15]: S47,,Differential Pulse Voltammetry [22]: S46,,Differential Pulse Voltammetry [29]: S45,,Differential Pulse Voltammetry [36]: S44,,Differential Pulse Voltammetry [43]: S43
Date and time measurement:,2025-03-29 13:32:13,Date and time measurement:,2025-03-29 14:28:03,Date and time measurement:,2025-03-29 16:28:02,Date and time measurement:,2025-03-29 17:28:20,Date and time measurement:,2025-03-29 19:41:19,Date and time measurement:,2025-03-29 20:35:10,Date and time measurement:,2025-03-29 21:22:52,
V,µA,V,µA,V,µA,V,µA,V,µA,V,µA,V,µA
0,0.019751112,0,0.040179824,0,0.045964596,0,0.04073982,0,0.044447004,0,0.043287808,0,0.05077498
0.01020757,0.019157514,0.01020757,0.039586228,0.01020757,0.0450126,0.01020757,0.039709428,0.01020757,0.042632616,0.01020757,0.041630216,0.01020757,0.050198176
0.02041514,0.018810318,0.02041514,0.038824632,0.02041514,0.044525404,0.02041514,0.039082228,0.02041514,0.04155182,0.02041514,0.040493424,0.02041514,0.047666992
0.03062271,0.01848552,0.03062271,0.038460632,0.03062271,0.044407804,0.03062271,0.038936632,0.03062271,0.04089662,0.03062271,0.039731828,0.03062271,0.045947796

parse_palmsens_file(contents)

[{'name': 'Differential Pulse Voltammetry [1]: S49',
  'timestamp': '2025-03-29T13:32:13',
  'potential': array([0.        , 0.01020757, 0.02041514]),
  'current': array([1.9751112e-08, 1.9157514e-08, 1.8810318e-08])},
 {'name': 'Differential Pulse Voltammetry [8]: S48',
  'timestamp': '2025-03-29T14:28:03',
  'potential': array([0.        , 0.01020757, 0.02041514]),
  'current': array([4.0179824e-08, 3.9586228e-08, 3.8824632e-08])},
 {'name': 'Differential Pulse Voltammetry [15]: S47',
  'timestamp': '2025-03-29T16:28:02',
  'potential': array([0.        , 0.01020757, 0.02041514]),
  'current': array([4.5964596e-08, 4.5012600e-08, 4.4525404e-08])},
 {'name': 'Differential Pulse Voltammetry [22]: S46',
  'timestamp': '2025-03-29T17:28:20',
  'potential': array([0.        , 0.01020757, 0.02041514]),
  'current': array([4.0739820e-08, 3.9709428e-08, 3.9082228e-08])},
 {'name': 'Differential Pulse Voltammetry [29]: S45',
  'timestamp': '2025-03-29T19:41:19',
  'potential': array([0.        , 0.01020757, 0.02041514]),
  'current': array([4.4447004e-08, 4.2632616e-08, 4.1551820e-08])},
 {'name': 'Differential Pulse Voltammetry [36]: S44',
  'timestamp': '2025-03-29T20:35:10',
  'potential': array([0.        , 0.01020757, 0.02041514]),
  'current': array([4.3287808e-08, 4.1630216e-08, 4.0493424e-08])},
 {'name': 'Differential Pulse Voltammetry [43]: S43',
  'timestamp': '2025-03-29T21:22:52',
  'potential': array([0.        , 0.01020757, 0.02041514]),
  'current': array([5.0774980e-08, 5.0198176e-08, 4.7666992e-08])}]