Ph. 1-14 Test Paper Extensive Test Paper Litmus Test Paper Sonkir pH Test Strips，Test pH for Saliva Urine Water Soil Testing(2-Pack pH Test Strips)
Paper Size: 45mm x 7mm (L x W) Packing Content: 2 X Pack(160 pH Strips) PH 1-14 color chart in each pack Under normal circumstances, the solution of the tested paper will produce color changes one second after contact with the test paper
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. Ph test paper can be commonly used to test many commonly used substances, including urine, sweat, moisturizing soap, lemon juice, milk, liquid detergent, moist soil, and so on.