Description
LB Agar (Lennox) is a nutrient agar medium intended for molecular biology, used to prepare solid plates for bacterial cultivation in cloning, transformation, and routine culture workflows. The Lennox formulation supplies a balanced nutrient base suited to growth of Escherichia coli and related laboratory strains under standard molecular-biology conditions. Offered as a dry preparation After reconstitution and sterilisation according to local protocols, the medium yields solid agar plates for colony isolation, selection, and maintenance. This LB Agar (Lennox) grade sits within the nutrient-media range for molecular biology and is supplied from manufacturer Carl ROTH for everyday life-science use. Laboratories seeking a classic Lennox-type solid medium for molecular biology will find this pack size practical for regular plate pouring and strain work.
This article is part of Dehydrated culture media (agar & broth bases), in Culture media & microbiology. See also Petri dishes.
Key features
- Tryptone: 10 g/l
- Yeast extract: 5 g/l
- Sodium chloride (NaCl): 5 g/l
- Agar-Agar: 15 g/l
- pH value: 7,0 ±0,2
- Pack sizes: 500 g, 1 kg, 2.5 kg
- Storage temperature: +15 to +25 °C
- Product type: LB Agar (Lennox) nutrient medium
- Form: Dry agar medium powder
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about LB Agar (Lennox), for molecular biology, 500 g, plastic
What is this article?
LB Agar (Lennox), for molecular biology, 500 g, plastic is the article on this page. Luminix Health distributes Carl Roth for laboratory use. It sits in Dehydrated culture media (agar & broth bases), inside Culture media & microbiology, in Microbiologie.
A dehydrated medium is a powder the laboratory dissolves, sterilises and pours. The formulation name, the supplements it still needs, and the grams per litre are the specification. Two powders with similar names, one selective and one not, grow different organisms.
A culture medium is the food and the solid or liquid home of a microorganism. Dehydrated media are powders the laboratory dissolves and sterilises. Ready-to-use plates and tubes are already that. A Petri dish is the plate. Selective media let one kind of organism grow and hold another back. The formulation and the supplements, not the colour of the agar, are the specification. Reference strains are at ATCC. Methods are on PubMed. Biosafety practice is the WHO laboratory biosafety topic.
Which category should I open next?
The category is Culture media & microbiology. The sub-category is Dehydrated culture media (agar & broth bases). The catalogue is Microbiologie.
Shelves beside this one are Petri dishes, Ready-to-use culture media (plates, tubes, bottles), Microbiology (other), Inoculation loops, spreaders & needles and Microbial identification, hygiene monitoring & rapid tests.
What should I check before I order?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.