Saturday, 17 February 2018

SOP for Chemist Validation

1.0    Objective:
               To provide a procedure for establishing the capability of an analyst to perform analysis accurately.
2.0          Scope:
             This SOP covers qualification and validation of an analyst .
3.0          Responsibility:
               Department Head: Provide necessary training to analyst and give coded sample for analysis.
               General Manager: Evaluate the data of analysis results.
               QA Manager: Review the records and governing the document.
4.0          Procedure:
4.1          QUALIFICATION OF AN ANALYST
4.1.1       Ensure that every new analyst (both fresh and experienced) works with the senior at least for two days.
4.1.2       The senior analyst shall explain all aspects of the analysis from sample staging to reporting the results.
4.1.3       Give previously approved sample (Coded sample) to the new analyst for analysis.
4.1.4       Evaluate analysed values for the following tests: Assay, Moisture content / Loss on drying, Identification by FTIR / UV.
4.1.5       The results of analysis shall meet the requirements (acceptance criteria).
4.1.6       The analytical report shall be verified with the previous results by the GM.
4.1.7       If the result does not meets the acceptance criteria, the Department Head shall parallel analyse the sample with the analyst to assess the errors and impart the necessary training to improve his/her skills.

4.2          VALIDATION OF AN ANALYST
4.2.1       The validation of an experienced analyst shall include one or more of the following tests.
4.2.1.1      Assay
4.2.1.2    Moisture content by KF / Loss on drying
4.2.1.3    Melting point
4.2.1.4 Identification by FTIR, Ultra Violet / Visible Spectrophotometer.
4.3     The validation shall include one or more of the following methods:
4.3.1       HPLC / GC
4.3.2       Ultra Violet / Visible Spectrophotometer
4.3.3       Titrimetry
4.3.4       Karl Fischer analysis
4.3.5       Melting point determination
4.3.6       Infra-Red analysis
4.4          Identify samples known analytical values and code the same. QA Officer shall do this.
4.5         Record the analytical value/s of sample/s along with acceptable limits, A.R. No. and code no. in Analyst Validation register, specimen as given in Annexure - 1.
4.6          The result of the analysis by the analyst under validation shall be checked for cGLP compliance and compared with expected values.
4.7          The capability to perform the analysis by the analyst shall be considered satisfactory if the results reported by the analyst are within the acceptable limits.
4.8        The raw data of analyst validation including worksheets, calculations, chromatograms, and strip charts along with comments of QA Officer shall be filed in Analyst validation file.


5.0         Documentation:
5.1                    Annexure – 1       Analyst validation Register:  XXX/SOP/000
              Annexure – 2          Acceptance criteria :              XXX/SOP/000
6.0          History of Revision:
Revision No.
Effective Date
Revision details
Reason for revision


                                         Annexure – 1
Sr. No.
Name of the Analyst
Validated for
Code no of
Sample
Acceptable Limits
A.R. No.
Analysis Date
Date of Completion
Remarks
Checked by










Annexure – 2
Acceptance Criteria



Sr. No.
Tests
Acceptance Criteria

1

2

3

4

5

6

7


Assay by HPLC

Assay by non aqueous titration

Assay of Ultra Violet Visible Spectrophotometer

Water by Karl Fischer/ Loss on Drying

Identification by IR

Melting Range

Other Tests

± 0.5 % of the Initial value

± 0.5 % of the Initial value

± 0.5 % of the Initial value

± 0.5 % of the Initial value

Should be comparable

Within range and comparable with earlier results
To be decided on case to case basis by GM or QA


SOP No. : XXX/SOP/000                               Format No. : XXX/FRM/000-00

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