Standard Operating Procedure

 

Subject: Preparing 2% Agar Plates.

 

DATE: 20 November 2006

 

SOP # IA1

 

Prepared by: Christy Ackley      

 

Approved by: Tarea Sanders

 

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Suggested Vendors, Catalog number, current price:

            Agar *

                  Daigger  FX448571GCC  500g  $53.00

*If you have Asian food store nearby, you can purchase agar-agar in packets and it will work in this experiment and will be much cheaper than using scientific supply source - however, be sure the ingredients list agar only and nothing else.)

           

 

 PREPARATION OF 2% AGAR

 

      Makes approximately 35 plates

 

Instructions:

  1. Add 20g  agar to 1L deionized water in a 2L Erlenmeyer flask

 

  1. Stir while bringing to a boil until agar is completely dissolved

 

  1. Allow to cool, but must be poured into plates while still warm

 

  1. Pour about 15mL of agar solution into bottom half of Petri plate

 

  1. Let agar solidify at room temperature

 

  1. Place plates upside down in sleeve (about 20 per bag)