urine test strips how to use Product Features
Urinalysis Test Strips: how they work, which to buy - PURI. Urinalysis test strips. Urinalysis test strips are pieces of plastic or waterproofed paper that have a number of absorbent pads soaked with different chemical reagents. When a urinalysis test strip is dipped into a urine sample the chemically impregnated pads react with the urine.
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