Reference Standard Working Standard. Temperature storage dispatching conditions shall be checked physically. 5 6 reference standard shall be use development of working standard.
Temperature storage dispatching conditions shall be checked physically. The protocol for establishing the working standard should be submitted in an information amendment. The material shall be received only if the condition is found satisfactory otherwise it shall be returned back to its source.
5 7 working standard shall be prepare by comparative study of purest form raw materials.
5 7 2 use before working standard maximum once in a year or 6 month for less stable products. 5 6 reference standard shall be use development of working standard. Average result of comparative study shall be used for routine analysis. 5 7 1 for development of working standard by hplc uv auto titrator three analysis shall be performed using reference standard.
