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Merck
CN

90035

DCLS Agar No. 2

suitable for microbiology

Synonym(s):

Desoxycholate Citrate Lactose Sucrose Agar No. 2

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About This Item

UNSPSC Code:
41171606
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form

powder

Quality Level

composition

agar, 12.0 g/L , beef extract, 3.0 g/L , lactose, 5.0 g/L , neutral red, 0.03 g/L , proteose peptone, 7.0 g/L , saccharose, 5.0 g/L , sodium citrate, 10.0 g/L , sodium deoxycholate, 2.5 g/L , sodium thiosulphate, 5.0 g/L

final pH

7.2±0.2 (25 °C)

application(s)

clinical testing
environmental
food and beverages, microbiology

suitability

selective and differential for Enterobacter spp., selective and differential for Proteus spp., selective and differential for Salmonella spp., selective and differential for Serratia spp., selective and differential for Shigella spp., selective and differential for Vibrio spp., selective and differential for Yersinia spp.

Application

D.C.L.S. Agar is used as a selective medium for the isolation of Shigella and Salmonella. Also useful for isolation of Vibrio cholera. The addition of fermentable carbohydrate increases the usefulness of the medium because non-pathogenic sucrose-fermenting organisms may be recognised by their red colonies, e.g. some Proteus, Serratia, Enterobacter species.


Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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