Selenite Cystine Broth Base 500gr

Untuk ketersediaan, harap hubungi terlebih dahulu Code: M1079 It is recommended as a selective enrichment media for Salmonella and possibly Shigella sonnei from faeces, urine, water and foodstuffs. Directions Suspend 19.01 grams in 1000 ml purified / distilled water. Add 4 grams of sodium hydrogen selenite (M1079B). Warm to dissolve the medium completely. Distribute in sterile test tubes. Sterilize in a boiling water bath or free flowing steam for 10 minutes. DO NOT AUTOCLAVE. Excessive heating is detrimental. Discard the prepared medium if large amount of selenite is reduced (indicated by red precipitate at the bottom of tube/bottle). Note : Instead of M1079B , DD056 -Sodium Biselenite discs (1 disc per 10 ml of the medium) or DB001-Sodium Biselenite Bud (1 bud per 100ml of medium) can be added to the medium after boiling.