7.413 pH Value @ 25℃, (1) 500 mL bottle

Hanna Instruments

7.413 pH Value @ 25℃, (1) 500 mL bottle

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7.413 pH Value @ 25℃, (1) 500 mL bottle Go to Product Description

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pH 7.413 Millesimal Calibration Buffer (500mL bottle), supplied with certificate of analysis. Designed and manufactured for those where accuracy really is vital, Millesimal buffer solutions are produced to a premium quality for customers who require a greater resolution of 0.001 for pH measurements, accuracy +/- 0.002 @ 25℃.
HAN-HI-6074

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Schaedler Agar - 500 g

£93.62 vat excl.

£112.34 vat Inc.

Availability: Out of stock
Schaedler Agar is used for the cultivation of anaerobic microorganisms in a laboratory setting. Schaedler Agar is not intended for use in the diagnosis of disease or other conditions in humans. Survival of anaerobic bacteria is dependent on their sensitivity to oxygen, nutritional requirements, appropriate collection, culture medium, and incubation time and temperature. Schaedler Agar is suitable for standard procedures used in cultivating anaerobic bacteria. Schaedler Agar is prepared according to the formulation described by Schaedler, Dubos, and Costello, and modified by Mata, Carrillo, and Villatoro. Modifications include reduced dextrose to avoid interference with hemolytic reactions, reduced yeast extract to avoid darkening of the medium, and adjusted sodium chloride and nitrogen concentrations.

KF Streptococcus Agar

£1,192.32 vat excl.

£1,430.78 vat Inc.

Availability: Out of stock
KF Streptococcus Agar is used with triphenyltetrazolium chloride for the selective isolation and enumeration of fecal streptococci in a laboratory setting. KF Streptococcus Agar is not intended for use in the diagnosis of disease or other conditions in humans. KF Streptococcus Agar was developed by Kenner, Clark, and Kabler for the detection of fecal streptococci in surface waters. KF Streptococcus Agar is currently used in detecting fecal streptococci in water, foods, and other materials through the membrane filtration technique or pour plate method. Fecal streptococci are normal inhabitants in the intestines, and the presence of fecal streptococci can be used as an indication of fecal contamination. The presence of fecal streptococci is of value in determining pollution sources because certain fecal streptococci are host-specific.

Sorbitol MacConkey Agar

£891.93 vat excl.

£1,070.32 vat Inc.

Availability: Out of stock
Sorbitol MacConkey Agar is used for the isolation of pathogenic Escherichia coli in a laboratory setting. Sorbitol MacConkey Agar is not intended for use in the diagnosis of disease or other conditions in humans. Sorbitol MacConkey Agar is based on the formula by Rappaport and Henig. Originally developed for isolating enteropathogenic (EPEC) serotypes, O11 and O55, this medium is recommended for the isolation and differentiation of enterohemorrhagic E. coli O157:H7. Serotype O157 has been implicated in serious foodborne diseases. MacConkey Agar W/ Sorbitol contains sorbitol instead of lactose for differentiating enteropathogenic E. coli serotypes; these strains are typically sorbitol negative. MacConkey Agar W/ Sorbitol is recommended for food testing. Enzymatic Digest of Gelatin, Enzymatic Digest of Casein, and Enzymatic Digest of Animal Tissue are the nitrogen and vitamin sources in MacConkey Agar W/ Sorbitol. Sorbitol is the fermentable carbohydrate; typically enteropathogenic strains produce colorless colonies. Bile Salts Mixture and Crystal Violet are the selective agents, inhibiting Gram-positive cocci. Sodium Chloride maintains the osmotic environment, and Neutral Red is the pH indicator. Agar is the solidifying agent. The selectivity of the medium can be increased through the addition of Cefixime and tellurite.
Availability: Out of stock
Lactobacillus Selective Agar Base is used for the isolation and enumeration of lactobacilli in a laboratory setting. Lactobacillus Selective Agar Base is not intended for use in the diagnosis of disease or other conditions in humans. Lactobacillus Selective Agar Base was developed by Rogosa, Mitchell, and Wiseman. This medium is used for isolation, enumeration, and identification of lactobacilli in foods. The low pH and high acetate concentrations effectively suppress other bacterial flora allowing lactobacilli to flourish.