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e. In chemistry, pH ( / piːˈeɪtʃ / pee-AYCH ), also referred to as acidity or basicity, historically denotes " potential of hydrogen " (or "power of hydrogen"). [ 1] It is a logarithmic scale used to specify the acidity or basicity of aqueous solutions.
A pH indicator is a halochromic chemical compound added in small amounts to a solution so the pH ( acidity or basicity) of the solution can be determined visually or spectroscopically by changes in absorption and/or emission properties. [ 1] Hence, a pH indicator is a chemical detector for hydronium ions (H 3 O +) or hydrogen ions (H +) in the ...
Tabo (hygiene) The timba (pail) and the tabo (dipper) are two essentials in Philippine bathrooms and bathing areas. The tabò ( Tagalog pronunciation: [ˈtaːbɔʔ]) is the traditional hygiene tool primarily for cleansing, bathing, and cleaning the floor of the bathroom in the Philippines, Indonesia, East Timor, Malaysia, Vietnam and Brunei.
Paper cup. Plain paper cup. Insulated paper cup for hot drinks, cut away to show air layer. A paper cup is a disposable cup made out of paper and often lined or coated with plastic [ 1][ 2] or wax to prevent liquid from leaking out or soaking through the paper. [ 3][ 4] It may be made of recycled paper. [ 5]
Paperboard is a thick paper -based material. While there is no rigid differentiation between paper and paperboard, paperboard is generally thicker (usually over 0.30 mm, 0.012 in, or 12 points) than paper and has certain superior attributes such as foldability and rigidity. According to ISO standards, paperboard is a paper with a grammage above ...
Polylactic acid, also known as poly ( lactic acid) or polylactide ( PLA ), is a thermoplastic polyester (or polyhydroxyalkanoate) with backbone formula (C. 3H. 4O. 2) n or [–C (CH. 3)HC (=O)O–] n, formally obtained by condensation of lactic acid C (CH. 3) (OH)HCOOH with loss of water (hence its name).
Universal indicator. A universal indicator is a pH indicator made of a solution of several compounds that exhibit various smooth colour changes over a wide range pH values to indicate the acidity or alkalinity of solutions. A universal indicator can be in paper form or present in a form of a solution. [ 1]
Sterling Paper Products Enterprises also simply known as Sterling or "Orions", is a Philippine school and office supplies and food packaging manufacturing company founded by Lim Seh Leng, father of Henry Lim Bon Liong. It is known as a smooth and high quality paper in a reasonable price. Sterling started out as Sterling Bookbinding in Quiapo ...
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