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Waterloo, ON, N2J 4R9


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Niagara Falls, NY 14305

Canadian/International ship from Waterloo; US orders from Buffalo, NY.

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1-10%, Food Grade Peroxide

These are the only test strips designed for hydrogen peroxide concentrations up to 10% & can be used to assess 35% food grade concentrated peroxide (after dilution), only $26.95 for 100 strips.

The lowest level this strip can test for is 1% which is equivalent to 10,000ppm. The upper limit, 10%, is the same as 100,000ppm. At that concentration, the strip turns black immediately. The 0-400ppm hydrogen peroxide test strip is much more useful for hot tubs, pools and spas.

Use our hydrogen peroxide sanitizer dilution calculator to get the right strength.

Click on the Tabs below for more information.

SKU: 33815-P10pc
Peroxide test strip, 1-3-5-10% (100,000ppm), ~100/pack

$26.95USD or lower Each

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These test strips are used with concentrated hydrogen peroxide, aka "food grade". They change to only one color, black with concentration indicated by the speed of the color change. There can be an initial "lag time" before any color change is observed and a completion time where the final color change is observed; click on the Specifications Tab.

Is your hydrogen peroxide stock solution 3%, 10%, 30%, 35%? No matter, use our hydrogen peroxide dilution calculator to take the quesswork out of making up a batch of 100, 200, 400 (or other) ppm hydrogen peroxide solution.

The 1-10% peroxide test strips use a timed response which differs from the other peroxide strips which refer to a color chart

Note: The bracked numbers in the lag time column for 1, 2, 3% are for contact lens solutions & differ due to additives. The results are based on CIBA Geigy AOSEPT & will vary with other similar products.

Concentration Lag Time Reaction Completion
10% (100,000ppm) Immediate Immediate
7% (70,000ppm) 2 seconds 3
5% (50,000ppm) 5 seconds 10
3% (30,000ppm) 10 seconds (20) 15 seconds (30)
2% (20,000ppm) 15 seconds (~40) 30 seconds (~60)
1% (10,000ppm) 30 seconds (~75) 60 seconds (~120)

Note (1): Suitable for detection of hydroperoxides and ether peroxides. Polymeric peroxides, which can form in diethylether, are not detected. Organic peroxides, such as di-terc-butyl peroxide, di-cumyl peroxide or terc-butyl perbenzoate, either do not react or react with significantly reduced sensitivity.

Note (2): If vial is properly stoppered, strips have a 2 year shelf life

Note (3): The number of strips per pack or vial is approximate.

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