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pH Indicator from Kamias (Averhoa bilimbi L.) Flower Extract. 6

By: 4 0 16, [, ] | [, ] |

Contributor(s): WVSU Research Journal. 4 (1) : June 2015. pp. 30-40 5 6 [] |

Language: Unknown language code Summary language: Unknown language code Original language: Unknown language code Series: ; 46Edition: Description: Content type: text Media type: unmediated Carrier type: volumeISBN: ISSN: 2Other title: 6 []Uniform titles: | | Related works: 1 40 Shirley R. Jusayan. 6 []Subject(s): -- 2 -- 0 -- -- | -- 2 -- 0 -- 6 -- | 2 0 -- | -- -- 20 -- | | -- -- Kamias;Anthocyanin. -- pH indicator. -- -- | -- -- -- 20 -- --Genre/Form: -- 2 -- Additional physical formats: DDC classification: | LOC classification: | | 2Other classification:

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Item type	Current location	Home library	Collection	Call number	Status	Date due	Barcode	Item holds
Book	PLM	PLM Periodicals Section	Periodicals	LG221.I61A1.W52 (Browse shelf)	Available		PER1838B

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ABSTRACT : The acidic or basic nature of materials is usually determined using pH meter and commerciallt-sold or synthetic indicating means. In this study, an eco-friendly pH indicator was prepared from the aqueous and ethanolic extract of kamias (averrhoa bilimbi L.) flowers containing anthocyanin pigment. TheKamias pH indicator paper was calibrated using buffer solutions pH O to 14 to come up with a colored chart. This served as reference in the subsequent effectiveness and acceptability tests conducted of the product. The indicator produced showe a highly acceptable response from the respondents provingthat it can be a good alternative to commercially - sold pH indicating means. The shelf-life test also revealed taht it could withstand the storage time of 3 months without losing its effectivity. These finding have significsnt implications to further refine the product and prolong its storage time,and consequently, the production of Kamias pH indicator paper. 56

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