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N7404

Niacin assay medium

suitable for microbiology, NutriSelect® Plus

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Size/SKUAvailabilityPrice
100 g
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$106.00

About This Item

NACRES:
NA.85
UNSPSC Code:
41171608

$106.00


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Quality Segment

agency

AOAC®, USP

form

powder

shelf life

limited shelf life, expiry date on the label

manufacturer/tradename

NutriSelect® Plus

technique(s)

microbiological culture: suitable

final pH

6.8±0.2 (25 °C)

application(s)

food and beverages
pharmaceutical, microbiology

storage temp.

2-8°C

suitability

nonselective for Lactobacillus spp.

Application

Recommended for the microbiological assay of Niacin or Niacinamide.

Preparation Note

Suspend 7.51 g of Niacin Assay Medium in 100 ml of distilled water. Boil to dissolve the medium completely. Mix well to distribute the slight precipitate evenly. For the assay, dispense 5 ml of medium per assay tube (containing increasing amounts of standard or unknown) and make up the total volume to 10 ml per tube with distilled water. Sterilize by autoclaving at 15 lbs. pressure (121°C) for 10 minutes. Cool immediately.

Other Notes

Ingredients (g/L)
Casein acid hydrolysate vitamin free, 12.00
Dextrose, 40.00
Sodium acetate, 20.00
L-Cysteine, 0.40
DL-Tryptophan, 0.20
Adenine sulphate, 0.02
Guanine hydrochloride, 0.02
Uracil, 0.02
Thiamine hydrochloride, 0.0002
Calcium pantothenate, 0.0002
Pyridoxine hydrochloride, 0.0004
Riboflavin, 0.0004
p-Aminobenzoic acid, 0.0002
Biotin, 0.00008
Dipotassium phosphate, 1.00
Monopotassium phosphate, 1.00
Magnesium sulfate, 0.40
Sodium chloride, 0.02
Ferrous sulfate, 0.02
Manganese sulfate, 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

AOAC is a registered trademark of AOAC International
GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany
NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

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This Item
F5422B3801MAK448
description

suitable for microbiology, NutriSelect® Plus

description

suitable for microbiology, NutriSelect® Plus

description

NutriSelect® Plus, powder, nonselective for Lactobacillus spp., bottle of 100 g

description

Sufficient for 100 colorimetric tests

technique(s)

microbiological culture: suitable

technique(s)

microbiological culture: suitable

technique(s)

microbiological culture: suitable

technique(s)

-

suitability

nonselective for Lactobacillus spp.

suitability

nonselective for Streptococcus spp.

suitability

nonselective for Lactobacillus spp.

suitability

-

form

powder

form

powder

form

powder

form

-

application(s)

food and beverages
pharmaceutical, microbiology

application(s)

microbiology, food and beverages
pharmaceutical

application(s)

agriculture
food and beverages
microbiology
pharmaceutical

application(s)

agriculture
environmental

final pH

6.8±0.2 (25 °C)

final pH

-

final pH

6.1±0.2 (25 °C)

final pH

-

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C


Storage Class

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)



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