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1 , BD purified agar powder
BD 214050Agar, BactoTM Agar, BactoTM 100g
BD 214010 Agar, BactoTM Agar, BactoTM 454g
BD 214030 Agar, BactoTM Agar, BactoTM 2kg
BD 214040 Agar, BactoTM Agar, BactoTM 10kg
Curing reagent, high-purity agar, to remove external impurities, dye components and salts, for solid medium, usually 1-2%; for dynamic test and growth of anaerobic and microaerobic bacteria, concentration Usually 0.05-0.5%
Bacto Agar is optimized for beneficial calcium and magnesium. Harmful ions such as iron and copper are reduced.
Uses: Recommended for clinical application research, auxotrophic research, bacterial and yeast transformation studies, and bacterial molecular genetics applications.
Typical technical parameters (use concentration 1.5%):
Project result
Ash 3.6%
Transparency 4.3NTU
Water 17.3%
Gel strength 600
Gel point 35 ° C
Melting point 88°C
PH value 6.5
The product features:
Advantages: outstanding performance in terms of low ash content, dissolved turbidity and phosphate turbidity, and the choice of this product for strict transparency. Disadvantages: The water is high, although the water does not have a big impact on the growth of bacteria, too high moisture is not conducive to the long-term preservation of agar.
2, BD A grade agar powder
BD 212304 BBL Agar, Grade A Grade A Agar 454g/ bottle
Grade A agar is a high-grade agar, specially treated bacteriological agar powder. It is commonly used as a curing agent in microbial culture media. Grade A agar is a selection of agar containing the essential mineral growth minerals. When used as a raw material for preparing a microbial culture medium, it has been shown by microbial culture test that the growth of microorganisms can be improved and improved.
Typical technical parameters (use concentration 1.5%):
Project result
Ash content 3.0%-6.5%
Transparency <10NTU
Moisture <10%
Gel strength 600-800
Gel point 35 ° C -39 ° C
Melting point 80°C-90°C
PH value 5.5-7.5
The product features:
Low ash, good transparency and low moisture. All aspects of the indicators are outstanding, suitable for most microbial culture media.
3, BD technical agar powder
BD 281230 Agar, Technical Technical Agar 500 g
BD 281210 Agar, Technical Technical Agar 2k g
Technical agar is a curing agent used to prepare microbial culture media. The agar has technically broader quality control parameters than other bacteriology. The solubility, gelation temperature and strength of the agar were strictly monitored. This agar is not highly processed and has a wider range of specifications than other agars.
Uses: Can be used to prepare most microbial culture media. Not recommended for the preparation of demanding microbial culture media.
Typical technical parameters (use concentration 1.5%):
Project result
Ash 4.1%
Transparency <26.2NTU
Moisture <18.2%
Gel strength 613
Gel point 36 ° C
Melting point 88°C
PH value 6.9
The product features:
This agar powder is not good enough for other agars. It is only suitable for the preparation of microbial culture media that are not strictly required.
4, BD granular agar powder
BD 214530 Difco Agar, Granulated Granular Agar 500g
BD 214510 Difco Agar, Granulated Granular Agar 2kg
BD 214520 Difco Agar, Granulated Granular Agar 10kg
Granular agar is mainly used to prepare a curing agent for a microbial culture medium.
Granular agar is suitable for culturing the recombinant strains Escherichia coli and Saccharomyces cerevisiae, and granular agar can be used for experiments where the general bacteriological clarity requirements are not critical.
Typical technical parameters (use concentration 1.5%):
Project result
Ash 3.4%
Transparency <5.3NTU
Moisture <12.2%
Gel strength 560
Gel point 35 ° C
Melting point 88°C
PH value 6.6
The advantages of this product:
This agar has low ash content, good transparency and low moisture content.
BD 214220 Difco Agar, Noble Noble agar agar noble type 100 g
BD 214230 Difco Agar, Noble Noble agar agar noble type 500g
Agar, Noble Noble Agar is an agar that is essentially free of impurities. Aristocratic agar is a high quality agar obtained by thorough cleaning and bleaching. This agar is an experiment that is particularly demanding for clarity and purity. Aristocratic agar is suitable for immunodiffusion and some electrophoresis applications and can be used as a substrate for mammalian or plant tissue culture.
Typical technical parameters (use concentration 1.5%):
Project result
Ash 1.3%
Transparency <3.7NTU
Moisture <16%
Gel strength 700
Gel point 35 ° C
87 ° C melting point
PH value 5.7
The advantages of this product:
This agar has a low ash content, good transparency and high gel strength. It is an excellent bacteriological agar. 
Comparison of several American BD agar powders and technical parameters
Several US BD agar difference with the technical parameters of BD contrast to the United States is the world's largest production and sales of medical equipment, medical systems and reagents one medical technology company that produces high quality in microbiological culture media and related raw materials It is widely used in scientific research as well as in industrial production. For the same kind of products, BD has done different degrees of subdivision. Users are sometimes confused when they choose. Which product is the one that is more suitable for the experimental requirements? Is it more expensive and more expensive? As a professional product service provider for microbiology, Puned provides a detailed introduction to the differences between several BD agar powders. For the majority of users to provide reference when choosing!