Handling of Reference and Working Standard SOP

Standard Operating Procedure of Handling of Reference and Working Standard SOP is describe in this post.

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1.0 OBJECTIVE:

To lay down a procedure handling of reference and working standards

2.0 SCOPE:

The procedure is applicable for handling of reference and working standards at Pharmaceuticals.

3.0 RESPONSIBILITY:

3.1 QC Analyst.

3.2 QC Manager.

4.0 ACCOUNTABILITY:

4.1 Head of the Q.C Department.

5.0 PROCEDURE:

Procurement of reference standard and impurities.

5.2 Reference standard and impurities related to the product shall be procured of IP, USP,

BP and In-house Standard.

5.3 Record of all procurement shall be maintained.

5.4 Stock of all reference standard shall be maintained under recommended storage condition

5.5 Usage record of reference standard and impurities shall be maintained.

5.6 Reference standard shall be use development of working standard.

5.7 Working standard shall be prepare by comparative study of purest form raw materials.

5.7.1 For development of working standard by HPLC/UV/Auto titrator three analysis shall be

performed using reference standard. Average result of comparative study shall be used for routine

analysis.

5.7.2 Use before working standard maximum once in a year or 6 month for less stable products.

5.7.3 12 vials shall be prepared for the use for each working standard for one year period.

5.7.4 Store working standard below 25°C and humidity less than 60% cool and dark place or light-

resistant container.

5.7.5 Following details shall be maintained on each vial.

Working Standard

Product Name : XYZ

W S No. : WS/XX/001

Assay : 00.00 % as such basis

LOD / Water : 0.00%

Vial No. : 01

Effective Date : DD/MM/YYYY

Use Before : DD/MM/YYYY

Issue date : DD/MM/YYYY

Where XYZ is a product name and WS is working standard, XX is a product code, 001 is a serial number, DD date, MM month and YYYY is a year.

5.7.6 All working standard container shall be stored under refrigerated conditions (2°C - 8°C)

5.7.7 One opened vial shall be used only for 30 days from the date of opening.

5.7.8 Each opened vial shall be maintained under desiccators at room temperature.

5.7.9 After 30 days of use the shall be discarded, and a fresh vial will be opened for use and maintained in desiccators.

5.8 All log books/registers shall have an approved printed format.

5.9 The log books/registers shall be issued and maintained on annual basis.

5.10 The details of issue and maintenance of the records shall be with the documentation.

5.11 The record shall be maintained in the documentation cell for reference purpose for 5 years.

5.12 Quality Assurance Manager shall ensure the reconciliation and disposition of the archived log books/registers, and authorize the disposition.

5.13 Details of working standard preparation and use shall be maintained.

6.0 ANNEXURES:

ANNEXURE – I

REFERENCE STANDARD

NAME OF MATERIAL__________________________

Date of receiving	Name of Material	Batch/ Lot No.	Grade	Use Before	Quantity. Received	Potency	Water /LOD	Qnty. Used	Qnty. Remains	Sign of Analyst

ANNEXURE – II

WORKING STANDARD LOG

Name Of Raw Materials ___________________________

Date	GRN No.	Batch/ Lot No.	Mfg. date	Exp. Date	Use Before	Qty. Vials Prepared	Potency	Water /LOD	Effective Date	Sign of Analyst