Nutrient Agar Plates (Pack of 20)

Description

A convenient pack of 20 Nutrient Agar in Petri dishes pre-poured with nutrient agar. These are poured in sterile conditions and are ready to use. (Also useful are Sterile Mouth Swab – Cotton 15cm Catalogue No.48SWAB.)
Great for classroom & science fair projects.

NOTE: PRIOR TO USE, STORE AT 2-8deg C WITH THE LABEL END UPWARD.

NUTRIENT AGAR FORMULA

Approximate Formula* per Litre
Calf Brains, Infusion from 200 g 7.7 g Sodium Chloride 5 g
Beef Heart, Infusion from 250 g 9.8 g Disodium Phosphate 2.5 g
Proteose Peptone 10 g Agar 15 g
Dextrose 2 g
*Adjusted and/or supplemented as required to meet performance criteria.
Quality Control
Organisms Expected Results
Escherichia coli ATCC 25922 Growth
Proteus vulgaris ATCC 13315 Growth
Staphylococcus aureus ATCC 25923 Growth
Incubation: 35 ° C for 24 hours
Description: Light to medium amber, slightly opalescent agar
pH: 7.4 ± 0.2 at 25 ° C

Storage
Plates: A shelf life of 10 weeks from the date of manufacture applies when this product is stored at 2 – 8 ° C in its original packaging.