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Blotting paper is Employed in chemical analyses as stationary stage in thin-layer chromatography. Blotting paper is additionally Utilized in pool/spa upkeep to measure pH equilibrium. Compact squares of blotting paper attached to disposable plastic strips are impregnated with pH sensitive compounds usually extracted from lichens, In particular Roccella tinctoria. British https://moseleyk790ywu9.muzwiki.com/user


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