Description
Simmons Citrate Agar is a dehydrated culture medium for microbiology, specified in line with ISO 10273 and used to assess citrate utilisation by microorganisms. It is particularly relevant in workflows targeting coliforms and Escherichia coli, supporting differentiation based on the ability to use citrate as a sole carbon source. Laboratories employ this agar in food, environmental and clinical microbiology for selective and differential testing according to recognised methods. The product is supplied as a 500 g pack in plastic packaging, providing a convenient quantity for preparing solid media plates or slopes. This medium from manufacturer Carl ROTH fits established media-preparation routines where ISO-aligned citrate agar is required. The dehydrated format eases storage and handling prior to autoclaving and pouring, while the plastic container helps protect the powder in daily laboratory use. Simmons Citrate Agar is a practical choice for media kitchens and diagnostic units that need reproducible performance for citrate utilisation tests. With a net content of 500 g, the pack supports regular throughput without excess waste.
This article is part of Dehydrated culture media (agar & broth bases), in Culture media & microbiology. See also Petri dishes.
Key features
- Sodium chloride: 5 g/l
- Sodium citrate: 2 g/l
- Ammonium dihydrogen phosphate: 1 g/l
- Dipotassium hydrogen phosphate: 1 g/l
- Magnesium sulphate: 0,2 g/l
- Bromothymol blue: 0,08 g/l
- Agar: 15 g/l
- pH value: 6,9 ±0,2
- Pack size: 500 g plastic
- Product type: Dehydrated culture medium
- Standard: ISO 10273
- Use: Citrate utilisation / coliforms and E. coli
- Technical Information Sheet:
- Safety Data Sheet:
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Questions about Simmons Citrate Agar, ISO 10273, for microbiology, 500 g, plastic
What is this article?
Simmons Citrate Agar, ISO 10273, for microbiology, 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 Milieux microbiologiques.
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 Milieux microbiologiques.
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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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.