Obpva - Onderstepoort Biological Products Limited
Quantifying in vitro Interleukin- 4 ( IL- 4) concentrations across 8 experimental groups using frozen stimulated plasma samples run in triplicate
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Methodology
Obpva - Onderstepoort Biological Products Limited
= 180 C Door Heated inner glass door preferred to minimise condensation External door Insulated, robust laboratory- grade door Alarm system High/low temperature, high/low CO2, door- open and system- failure alarms Data display Digital display of temperature and CO2 concentration Data logging Internal data logging preferred; Power supply 220- 240 V AC, 50 Hz, suitable for South African electrical supply Gas supply CO2 cylinder/regulator compatible Gas inlet Suitable filtered CO2 gas inlet Recovery time Ra
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Obpva - Onderstepoort Biological Products Limited
The vendor must supply a Competitive Inhibition ELISA kit utilizing microplate wells pre- coated with Clostridium septicum alpha toxin antigen to measure free alpha toxin concentrations via antibody- antigen competition
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Obpva - Onderstepoort Biological Products Limited
The MQuant The MQuant Formaldehyde test includes test strips and all necessary additional reagents. Formaldehyde reacts with a Triazole to form a purple red tetrazine. The formaldehyde concentration is measured semi quantitatively by visual comparison of the reaction zone of the test strip with the fields of a color scale. The test strips are perfect for pre testing a sample in an economic and quick way to estimate the Formaldehyde concentration and a possible dilution factor prior to using a quantitative m
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South African National Parks
Appointment of a service provider to supply and deliver pool acid and swimchlor as and when required for a period of five ( 5) years at kruger national park.
Appointment of a service provider to supply and deliver pool acid and swimchlor as and when required for a period of five 5 years at Kruger National Park. 1. Hydrochloric pool acid 30% HCL concentration: 30% WW minimum Molecular formula: HCL Appearance: Clear, colourless to slightly yellowish liquid, pungent odour Strength: 30% WW minimum Solubility: Completely soluble in water pH reduction in swimming pools and spa water 2. Swimchlor HTH Calcium Hypochlorite 70% Available Chlorine: 70% minimum Appearance: White, free- flowing granular solid with strong chlorine odour Melting/Decomposition: Decomposes above 150 C pH ( 5% solution): 11. 5 Swimming pool sanitizer/disinfectant shock treatment for pools
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