Capillary Electrophoresis Calibration Protocol

INSTRUMENT:Capillary Electrophoresis
Refer SOP No.: 
Model No.                        :7100
Instrument ID. No.              : 
Date of Calibration              : 
Make:Agilent
Frequency:Half yearly – 15 Days
Next Due Date: 

1. Injection Linearity Test (Set I ):

a. Inject 4-Hydroxy acetophenone solution 1 mM/L single injection and check the area.

b. Method Parameters (DAD):

Wave length: 325 nm

Band width: 10

Peak Width: >0.025 min (0.5 s response time 10Hz)

Stop time: As CE

Post Time: Off

Advanced:

Spectrum: None

Auto analog output:

 Zero Off Set: 5%

Attenuation: 1000 mAU

Indirect UV margin for negative absorbance: 100 mAU

Auto balance: Pre run

Lamps on required for acquisition: UV lamp

c. Method Parameters (CE):

Vials:

Inlet Home: 04 Buffer

Outlet home: 05 Buffer

Cassette temperature: 20°C

High voltage system (Enable high voltage)

Voltage: 0.0 KV (positive polarity)

Current: 300 µA

Power: 6.0w

Low current alarm limit: off

Stop time: 4.0 min

Post time: Off

Replenishment: parallel

Preconditioning:

Function: Flush 

Parameter: 60s (inlet: 6 outlet: 11)

Injection:

Function: Apply pressure

Parameter: 25 mbar for 3s (inlet – injection vial , outlet : outlet home vial)

Time table:

Time: 0.2

Function: change voltage

Parameter: 30 kV

Post Conditioning: Not applicable

d. Instrument curves: 

Leak current: enable

2. Injection Linearity Test (Set II):

a. Inject 4-Hydroxy acetophenone solution 1 mM/L single injection and check the area.

b. Method Parameters (DAD):

Wave length: 325 nm

Band width: 10

Peak Width: >0.025 min (0.5 s response time 10Hz)

Stop time: As CE

Post Time: Off

Advanced:

Spectrum: None

Analog output

Zero Offset: 5%

Attenuation: 1000 mAU

Indirect UV margin for negative absorbance: 100 mAU

Auto balance: Pre run

Lamps on required for acquisition: UV lamp

c. Method Parameters (CE):

 Vials:

Inlet Home: 04 buffer

Outlet home: 05 buffer

Cassette temperature: 20°C

High voltage system (Enable high voltage)

Voltage: 0.0 KV (positive polarity)

Current: 300 µA

Power: 6.0w

Low current alarm limit – off

Stop time: 4.0 min

Post time: 0.0 min

Replenishment: parallel

Preconditioning:

Function: Flush 

Parameter:  60s (inlet: 6 outlet: 11)

Injection

Function: Apply pressure

Parameter: 50 mbar for 3s (inlet – injection vial, outlet: outlet home vial)

Time table

Time: 0.2

Function: change voltage

Parameter: 30 kV

Post Conditioning: Not Applicable

Instrument curves:

Leak current: enable

3. Injection Linearity Test (Set III):

a. Inject 4-Hydroxy acetophenone solution 1 mM/L single injection and check the area.

b. Method Parameters (DAD):

Wave length: 325 nm

Band width: 10

Peak Width: >0.025 min (0.5 s response time 10Hz)

Stop time: As CE

Post Time: Off

Advanced:

Spectrum: None

Analog output:

Zero Offset: 5%

Attenuation: 1000 mAU

Indirect UV margin for negative absorbance: 100 mAU

Auto balance: Pre run

Lamps on required for acquisition: UV lamp

c. Method Parameters (CE):

Vials:

Inlet Home – 04 buffer

Outlet home – 05 buffer

Cassette temperature – 20°C

High voltage system (Enable high voltage)

Voltage: 0.0 KV (positive polarity)

Current: 300 µA

Power: 6.0w

Low current alarm limit: off

Stop time: 4.0 min

Post time: Off

Replenishment: parallel

Preconditioning:

Function: Flush 

Parameter: 60s (inlet: 6 outlet: 11)

Injection

Function: Apply pressure

Parameter: 50 mbar for 5s (inlet – injection vial, outlet: outlet home vial)

Time table

Time: 0.2

Function: change voltage

Parameter: 30 kV

Post Conditioning: Not Applicable

d. Instrument curves 

Leak current: enable

4. Injection Linearity Test (Set IV):

a. Inject 4-Hydroxy acetophenone solution 1 mM/L single injection and check the area.

b. Method Parameters (DAD):

Wave length: 325 nm

Band width: 10

Peak Width: >0.025 min (0.5 s response time         10Hz)

Stop time: As CE

Post Time: Off

Advanced:

Spectrum: None

Analog output

Zero Offset: 5%

Attenuation: 1000 mAU

Indirect UV margin for negative absorbance: 100 mAU

Auto balance: Pre run

Lamps on required for acquisition: UV lamp

c. Method Parameters (CE):

Vials:

Inlet Home: 04 Buffer

Outlet home: 05 buffer

Cassette temperature: 20°C

High voltage system (Enable high voltage)

Voltage: 0.0 Kv (positive polarity)

Current: 300 µA

Power: 6.0w

Low current alarm limit: off

Stop time:  4.0 min

Post time: Off

Replenishment: parallel

Preconditioning:

Function: Flush 

Parameter: 60s (inlet: 6 outlet: 11)

Injection

Function: Apply pressure

Parameter: 100 mbar for 5s (inlet – injection vial , outlet : outlet home vial)

Time table

Time: 0.2

Function: change voltage

Parameter: 30 kV

Post conditioning: Not Applicable

d. Instrument curves: 

Leak current: enable

OriginMigration Time MinutesArea mAU*sActual Injection pressure mbar*sCorrected Area mAU
Injection Linearity Set I    
Injection Linearity Set II    
Injection Linearity Set III    
Injection Linearity Set IV    
Result of Correlation coefficient  (Correlation coefficient: NLT 0.9900)

 Note: Calculate the Correlation coefficient for injection pressure Vs corrected area

Remarks: Results found satisfactory / not satisfactory.

Analyzed By:                                                             Checked By:

5. Injection precision test:

a. Use 4-hydroxy acetophenone standard solution shall be used for calibration of injection precision test.

b. Inject 1 mM/L 4-hydroxy acetophenone standard solution 8 injections (first two injections used for system equilibration) and record the data.

c. Method parameters (DAD):

Wavelength: 325 nm

Band width: 10.0

Peak width: >0.10 min (2.0 s response time 2.5 Hz)

Stop time: As CE

Post Time: Off

Advanced (Spectrum)

Store: All in peak

Range: 190.0 to 450.0 nm

Step: 1.0 nm

Threshold: 1.0mAU

Analog out put

Zero off set: 5 %

Attenuation: 1000 mAU

Indirect UV margin for negative absorbance: 100 mAU

Auto balance: Pre run

Lamps on required for acquisition: UV lamp

d. Method Parameters (CE):

Vials:

Inlet Home: 04 buffer

Outlet home: 05 buffer

Cassette temperature: 20°C

High voltage system (Enable high voltage)

Voltage: 0.0 KV (positive polarity)

Current: 300 µA

Power: 6.0w

Low current alarm limit: off

Stop time: 4.0 min

Post time: Off

Replenishment: Serial

Preconditioning: Not applicable

Injection

Function: Apply pressure

Parameter: 50 mbar for 5s (inlet – injection vial, outlet: outlet home vial)

Time table

Time: 0.2

Function: change voltage

Parameter: 30 kV

Post conditioning: Not applicable

e. Instrument curves 

Leak current – enable

InjectionsMigration Time MinutesArea mAU*sCorrected Area mAU
Injection 1   
Injection  2   
Injection  3   
Injection  4   
Injection  5   
Injection  6   
Result                            
Acceptance Criteria(%RSD: NMT 2.0%)(%RSD: NMT 3.0%)

Remarks: Results found satisfactory / not satisfactory.

Analyzed By:                                                             Checked By:

6. Noise and Drift Test:

a. Inject the blank vial (empty vial) one injection as per the procedure.

b. Method parameters (DAD):

Wavelength: 254 nm

Band width: 4.0

Peak width: >0.05 min (1.0 s response time 5 Hz)

Stop time: As CE

Post Time: Off

Advanced (Spectrum)

Store: None

Analog out put

Zero off set: 5 %

Attenuation: 1000 mAU

Indirect UV margin for negative absorbance: 100 mAU

Auto balance: Pre run

Lamps on required for acquisition: UV lamp

c. Method Parameters (CE):

Vials:

Inlet Home: 04 buffer

Outlet home: 05 buffer

Cassette temperature – 20°C

High voltage system (Enable high voltage)

Voltage: 0.0 KV (positive polarity)

Current: 300 µA

Power: 6.0w

Low current alarm limit: off

Stop time: 11.00 min

Post time: Off

Replenishment: Parallel

Preconditioning: Not applicable

Injection: Not Applicable

Time table: Not Applicable

Post conditioning: Not Applicable

d. Instrument curves: 

Leak current – Enable

Cassette temperature – Enable

Noise mAUDrift mAU/Hr
Result:Result:
Acceptance Criteria: NMT 0.05 mAUAcceptance Criteria: NMT 2.00 mAU/Hr

Remarks: Results found satisfactory / not satisfactory.

Analyzed By:                                                             Checked By:

7. Response Linearity:

a. Use 4-hydroxy acetophenone standard solution shall be used for calibration of Response Linearity test.

b. Inject 0.1, 0.5, 1.0, 5.0 mM/L 4-hydroxy acetophenone standard solution, single injection each and record the data.

c. Method parameters (DAD):

Wavelength: 325 nm

Band width: 10.0

Peak width: >0.025 min (0.5 s response time 10 Hz)

Stop time: As CE

Post Time: Off

Advanced (Spectrum)

Store: None

Analog out put

Zero off set: 5 %

Attenuation: 1000 mAU

Indirect UV margin for negative absorbance: 100 mAU

Auto balance: Pre run

Lamps on required for acquisition: UV lamp

d. Method Parameters (CE):

Vials:

Inlet Home: 04 buffer

Outlet home: 05 buffer

Cassette temperature: 20°C

High voltage system (Enable high voltage)

Voltage: 0.0 KV (positive polarity)

Current: 300 µA

Power: 6.0w

Low current alarm limit: off

Stop time: 4.0 min

Post time: Off

Replenishment: Parallel

Preconditioning

Function: Flush

Parameter: 60s (Inlet: 6 outlet: 11)

Injection

Function: Apply pressure

Parameter: 50 mbar for 5s (inlet – injection vial, outlet: outlet home vial)

Time table

Time:  0.2

Function:  change voltage

Parameter: 30 kV

Post conditioning: Not Applicable

e. Instrument curves: 

Leak current: enable

OriginMigration Time minutesArea mAU*sActual Concentration(mM)  Corrected Area
Run 1  0.1 
Run 2  0.5 
Run 3  1.0 
Run 4  5.0 
Result 
Acceptance CriteriaCorrelation coefficient NLT 0.9900

Note: Calculate the Correlation coefficient for concentration Vs corrected area

Remarks: Results found satisfactory / not satisfactory.

Analyzed By:                                                             Checked By:

8. Voltage Stability Test(Negative Test):

a. Inject blank empty vial single injection as per the procedure.

b. Method Parameters(DAD):

Wavelength: 325 nm

Band width: 10.0

Peak width: >0.025 min (0.5 s response time 10 Hz)

Stop time: As CE

Post Time: Off

Advanced (Spectrum)

Store: None

Analog out put

Zero off set: 5 %

Attenuation: 1000 mAU

Indirect UV margin for negative absorbance: 100 mAU

Auto balance: Pre run

Lamps on required for acquisition: UV lamp

c. Method Parameters (CE):

Vials:

Inlet Home: 04 buffer

Outlet home: 05 buffer

Cassette temperature: 20°C

High voltage system (Enable high voltage)

Voltage: 0.0 KV (positive polarity)

Current: 300 µA

Power: 6.0w

Low current alarm limit: off

Stop time: 10.0 min

Post time: Off

Replenishment: Parallel

Preconditioning: Not Applicable

Injection: Not Applicable

Time table

Time: 0

Function: change voltage

Parameter: “- 25 kV”

Post conditioning: Not Applicable

d. Instrument curves:  

Leak current – enable

Result:

Acceptance Criteria:  -25 KV ±1% (- 25.25 to -24.75 KV)

Remarks: Results found satisfactory / not satisfactory.

Analyzed By:                                                             Checked By:

9. Voltage Stability Test(Positive Test):

a. Inject blank empty vial single injection as per the procedure.

b. Method Parameters(DAD):

Wavelength – 325 nm

Band width – 10.0

Peak width – >0.025 min (0.5 s response time 10 Hz)

Stop time -As CE

Post Time – Off

Advanced (Spectrum)

Store – None

Analog out put

Zero off set – 5 %

Attenuation – 1000 mAU

Indirect UV margin for negative absorbance – 100 mAU

Auto balance – Pre run

Lamps on required for acquisition – UV lamp

c. Method Parameters (CE):

Vials:

Inlet Home – 04 buffer

Outlet home – 05 buffer

Cassette temperature – 20°C

High voltage system (Enable high voltage)

Voltage – 0.0 KV (positive polarity)

Current – 300 µA

Power – 6.0w

Low current alarm limit – off

Stop time – 10.00 min

Post time – Off

Replenishment – Parallel

Preconditioning: Not Applicable

Injection: Not Applicable

Time table

Time: 0

Function: change voltage

Parameter: “25 kV”

Post conditioning: Not applicable

d. Instrument curves: 

Leak current – enable

Result:

Acceptance Criteria:  25 KV ±1% (24.75 to 25.25KV)

Remarks: Results found satisfactory / not satisfactory.

Analyzed By:                                                             Checked By:

10. Wave Length Accuracy Test:

a. Use 4-hydroxy acetophenone 1 mM/L for calibration of Wave Length Accuracy Test.

b. Inject single injection of 4-hydroxy acetophenone 1 mM/L standard solution as per the procedure.

c. Calculate the maxima and minima at 236, 258,325 wavelengths.

d. Method Parameters(DAD):

Wavelength: 325 nm

Band width: 10.0

Peak width: >0.025 min (0.5 s response time 10 Hz)

Stop time: As CE

Post Time: Off

Advanced (Spectrum)

Store: All in peak

Range: 190.0 to 450.0 nm

Step: 1.0 nm

Threshold: 1.0mAU

Analog out put

Zero off set: 5 %

Attenuation: 1000 mAU

Indirect UV margin for negative absorbance: 100 mAU

Auto balance: Pre run

Lamps on required for acquisition: UV lamp

e. Method Parameters (CE):

Vials:

Inlet Home – 04 buffer

Outlet home – 05 buffer

Cassette temperature: 20°C

High voltage system (Enable high voltage)

Voltage: 0.0 KV (positive polarity)

Current: 300 µA

Power: 6.0w

Low current alarm limit – off

Stop time:  4.0 min

Post time: Off

Replenishment: Parallel

Preconditioning: Not Applicable

Injection

Function: Apply Pressure

Parameter: 50 mbar for 5s (inlet – injection vial, outlet: outlet home vial)

Time table

Time – 0

Function – change voltage

Parameter – 30 kV

Post conditioning: Not Applicable

f. Instrument curves :

Leak current – enable

 Wavelength 1:

Wavelength nmArea mAU
232 
233 
234 
235 
236 
237 
238 
239 
240 

 Result: Maxima Observed at ___________ Wavelength   (Acceptance Criteria- 236 ± 2 nm)

Remarks: Results found satisfactory / not satisfactory.

Analyzed By:                                                             Checked By:

 Wavelength 2:

Wavelength nmArea mAU
254 
255 
256 
257 
258 
259 
260 
261 
262 

 Result: Minima Observed at ___________ Wavelength   (Acceptance Criteria- 258 ± 2 nm)

Remarks: Results found satisfactory / not satisfactory.

Analyzed By:                                                             Checked By:

 Wavelength 3:

Wavelength nmArea mAU
320 
321 
322 
323 
324 
325 
326 
327 
328 

 Result: Maxima Observed at ___________ Wavelength    (Acceptance Criteria- 325 ± 2 nm)

Remarks: Results found satisfactory / not satisfactory.

Analyzed By:                                                             Checked By:

Remarks: Calibration satisfactory / Not satisfactory

Calibrated By

Signature/Date           

Checked By

Signature/Date

Approved By

Signature/Date

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