Ph. 1-14 Test Paper Extensive Test Paper Litmus Test Paper Sonkir pH Test Strips

Ph. 1-14 Test Paper Extensive Test Paper Litmus Test Paper Sonkir pH Test Strips

Was: $39.88

Now: $19.94

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SKU:: ZA631472
UPC:
Condition:: New
Availability:: Free Shipping from the USA. Estimated 2-4 days delivery.

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Description

The test strip color changes must be matched with the pH scale color chart within about 15 seconds. Different pH content discoloration range is different, by comparing the color card ratio: the smaller the number, the stronger the acidity, the larger the value, the stronger the alkalinity.

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