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Agar Powder, Ultrapure
SKU:
RM459
CAS Number :
9002-18-0
Availability: In stock
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Agar Powder, Ultrapure is recommended for use in immuno-electrophoretic procedures, Vitamin Assay Media or sensitivity testing procedure.
CAS Number :
9002-18-0
Culture Media Bases#4fa25a
Product Identifier
| Product Name | Agar Powder, Ultra Pure |
|---|---|
| Product Code | RM459 |
Intended use
Agar Powder, Ultra pure is carefully manufactured and purified with utmost care as described by Nobel and Tonney. It is essentially free from impurities. It is recommended for use in immuno-electrophoretic procedures, nutritional studies (vitamin Assay Media) or sensitivity testing procedure, where high purity and good diffusion of substances is essential.
Warning and Precautions
Read the label before opening the container. Wear protective gloves/protective clothing/eye protection/face protection. Follow good microbiological lab practices while handling specimens and culture. Safety guidelines may be referred in individual safety data sheets.
Limitations
1. It is biological origin product since variation in colour of powder and clarity may observed.
2. Each lot of the product has been tested for the organisms specified on the COA. It is recommended to users to validate the medium for any specific microorganism other than mentioned in the COA based on the user's requirement.
3. Individual organisms differ in their growth requirement and may show variable growth patterns on the medium prepared by the product.
Performance and Evaluation
Performance of the medium is expected when used as per the direction on the label within the expiry period when stored at recommended temperature
Quality Control
| Appearance | Cream coloured powder. homogeneous free flowing powder |
|---|---|
| Solubility | Freely soluble in hot water at temperatures above 85°C. Insoluble in cold water. |
| Clarity | A firm solid, clear to slightly opalescent gel is formed at a concentration of 1.5% at 34-37°C. |
| pH | pH of 1.5% w/v aqueous solution at 25 °C 6.0-7.0 |
| Dye Diffusion | Agar dye diffusion : 18-20mm |
| Identification test | As per method specified in USP 2022 Test A: Infrared absorption Test B: Iodine TS colours some of the fragments of Agar bluish black, with some areas reddish to violet. Test C: Agar forms a clear liquid, that congeals at 30 -39°C to form a firm resilient gel, which does not liquefy below 80°C. |
| Microbial Load |
Bacterial Count : <= 1000 CFU/gram by plate method, when incubated at 30-35°C for not less than 3 days Yeast & mould Count : <= 100 CFU/gram by plate method, when incubated at 20-25°C for not less than 5 days. |
| Test for pathogens |
1. Escherichia coli- Absent/gram of sample 2. Salmonella species- Absent/10 gram of sample 3. Pseudomonas aeruginosa- Absent/gram of sample 4. Staphylococcus aureus- Absent/gram of sample 5. Candida albicans - Absent/gram of sample 6. Clostridia - Absent/gram of sample |
| Test for Water absorption | As per method specified in USP 2022 NMT 75 ml of water is absorbed by 5.0 g of agar |
| Limit of Gelatin | As per method specified in USP 2022 No yellow precipitate is formed. |
| Limit of Foreign Starch | As per method specified in USP 2022 The sample solution does not upon cooling,produce a blue colour upon the addition of iodine TS. |
Growth Promotion Test
As per method specified in USP 2022 Cultural Response: Cultural response observed after an incubation at 35-37°C for 18-24 hours by preparing Nutrient Agar (M001) using Agar Powder, Ultra pure as an ingredient.
| Organism | Growth |
|---|---|
| Escherichia coli ATCC 25922 (WDCM00013) | Luxuriant |
| Pseudomonas aeruginosa ATCC 27853 (WDCM 00025) | Luxuriant |
| Staphylococcus aureus subsp.aureus ATCC 25923(WDCM 00034) | Luxuriant |
| Salmonella enterica subsp. enterica Typhi ATCC 6539 | Luxuriant |
| Streptococcus pyogenes ATCC 19615 | Luxuriant |
| Salmonella enterica subsp.enterica Enteritidis ATCC 13076 (WDCM 00030) | Luxuriant |
| Salmonella enterica subsp.enterica Typhimurium ATCC 14028 (WDCM 00031) | Luxuriant |
| Yersinia enterocolitica subsp. enterocolitica ATCC 9610 (WDCM 00038) | Luxuriant |
| Yersinia enterocolitica subsp. enterocolitica ATCC 23715 (WDCM00160) | Luxuriant |
Chemical Analysis
| Gelling temperature | 34-37°C |
|---|---|
| Melting Range | >=85°C |
| Water (KF) | <=20% |
| Calcium (Ca) | <= 25 ppm |
| Arsenic (As) | <= 3 ppm |
| Lead(Pb) | <= 10 ppm |
| Acid- Insoluble Ash (On dry-Weight basis) | <=0.5% |
| Total Ash (On dry-weight basis) | <=6.5% |
| Foreign organic matter | <=1.0% |
| Limit of Foreign insoluble matter | <=15 mg in 7.5 gm of Agar |
Storage Information
Store below 30°C in tightly closed container and away from bright light. Use before expiry date on label. On opening, product should be properly stored in dry ventilated area protected from extremes of temperature and sources of ignition. Seal the container tightly after use.
Disposal Information
User must ensure safe disposal by autoclaving and/or incineration of used or unusable preparations of this product. Follow established laboratory procedures in disposing of infectious materials and material that comes into contact with clinical sample must be decontaminated and disposed of in accordance with current laboratory techniques.
CAS Number :
9002-18-0
| Product Name | Agar Powder, Ultrapure |
|---|---|
| SKU | RM459 |
| CAS No | 9002-18-0 |
| EC No. | 232-658-1 |
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