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No matter what your scientific qualification or expertise, pH measurement with Johnson's non-bleeding indicator strips is simple and has been provided assurance for qualified persons since 1938. The desired pH value can be tested with the simple and rapid pH Indicator Non-bleeding Strips that ensure precision and quality.
Accurate colour charts allow for reliable, simple and rapid measurement with their efficient design. pH Indicator Non-Bleed Strips are available in packs that encompass the entire pH scale from 0 - 14.
Our standard delivery is 3-5 working days (where products are available) Monday to Friday, excluding public holidays when you order by 2pm. Details of our returns and cancellation policy can be found in our Returns Policy & Section 11 of our Terms and Conditions. For more information please contact us on 01924 444 577 or Email Us.
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Before fermentation, Johnson Test Papers’ Wine pH test strips are used to test the pH of the juice. They can also be used to test the pH of kombucha tea and cider. These strips work within the pH range 2.8 - 4.4. The optimum pH of yeast is between 5.2 - 5.5, which falls within the measuring capacity of the narrow-range Beer pH test strip (pH 4.6 - 6.2), to test for beer mash.
J-QUANT® Fluoride J-QUANT® Fluoride 100 Test Strips are used for determining the amount of fluoride in tap water supplied by local water supply companies. They assist by providing a semi-quantitative value either below or above predetermined guidelines and allow for quick assessment of the amount of fluoride. Carrying out the test by including sodium dithionite in the sample will prevent the white discolouration generated by chlorates and bromates without influencing the result.
J-QUANT® Chlorine
Chlorine in solution such as chlorinated disinfectants or sanitisers can be measured easily and rapidly with this basic, reliable and cost effective test.
There are no reagents to mix as everything is on the test strip for the reaction to occur.
Depending on the level being determined, a solid result can be seen in less than one minute.
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J-QUANT® Peracetic These J-QUANT® Peracetic Acid test strips can quickly and reliably measure the level of peracetic acid in liquids. These strips provide consistent results with their easy to use method within 45 seconds of sampling. Peracetic acid is commonly found in disinfectants and is one of the most effective oxiders available. J-QUANT® Peracetic Acid test strips are not influenced by hydrogen peroxide based products if used correctly. Peracetic Acid 50 In the drinks industry, bottles and packages and disinfected using peracetic acid, which are then washed out to remove the residual disinfectant. These simple products can rapidly test for peracetic acid residue after rinsing to check that it has been removed. Peracetic Acid 500 This range is used in healthcare, pharmaceuticals, cosmetics, agriculture and the food and beverage industry.