F5422

Medium für die Folsäurebestimmung

suitable for microbiology, NutriSelect^® Plus

• UNSPSC Code: 41171608
• NACRES: NA.85
• eCl@ss: 34058014

Eigenschaften

• sterility: non-sterile
• Quality Segment: 200
• form: powder
• shelf life: limited shelf life, expiry date on the label
• manufacturer/tradename: NutriSelect^® Plus
• technique(s): microbiological culture: suitable
• pH: 6.8±0.2 (25 °C)
• application(s): food and beverages; pharmaceutical, microbiology
• storage temp.: 2-8°C
• suitability: nonselective for Streptococcus spp.

Beschreibung

Application

Empfohlen für die mikrobiologische Bestimmung von Folsäure mittels Streptococcus faecium als Testorganismus.

Preparation Note

Suspend 7.5 g of Folic Acid Assay Medium in 100 ml of distilled water. Boil to dissolve the medium completely. Mix well to distribute the slight precipitate evenly. For assay, dispense 5 ml of medium per assay tube, and add 5 ml of distilled water to each tube. Sterilize by autoclaving at 15 lbs. pressure (121°C) for 10 minutes. Cool immediately.

Other Notes

Komponenten (g/L)
Casein-Säurehydrolysat, vitaminfrei 12.00
Dextrose 40.00
Natriumchlorid 20.00
L-Cystin 0.20
DL-Tryptophan 0.20
Adeninsulfat 0.02
Guanin-Hydrochlorid 0.02
Uracil 0.02
Thiamin-Hydrochlorid 0.002
Pyridoxin-Hydrochlorid 0.004
Riboflavin (Vitamin B₂) 0.002
Niacin 0.002
p-Aminobenzoesäure (PABA) 0.0002
Biotin 0.0000008
Calcium-pantothenat 0.0004
Kaliumphosphat dibasisch 1.00
Kaliumphosphat monobasische 1.00
Magnesiumsulfat 0.40
Natriumchlorid 0.02
Eisen(II)-sulfat 0.02
Mangan(II)-sulfat 0.02

We offer two media types: the superior granulated GranuCult^® and the cost-efficient powdered NutriSelect^® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.

Legal Information

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany

NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Lagerklasse: 11 - Combustible Solids
• wgk: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable