กระดาษลิตมัส pH Paper

pH Paper pH Test Strip

pH Paper1,pH Paper2

Features : 

•   • pH Range : 1 – 14 pH ( Colour chart in each pack )
•   • Approximate size of pack 70 x 45mm
•   • Litmus Paper test strips change colour within 15 seconds to be matched with the pH scale colour chart
•   • 80 strip

Scales is as follows :