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1.	Image from Google Jackets	Comparison of the pH level of water filtered with coconut shell charcoal and wood charcoal / Kazuyuki S. Takakuzaki. by Takakuzaki, Kazuyuki S Material type: Text; Format: print Publication details: Las Piñas City, Philippines : Southville International School and Colleges, 2009 Availability: Items available for reference: Luxembourg Library: Not for loan (1)Call number: PHS TD 429 .T136 2009. Save to lists Add to cart (remove)
2.	Image from Google Jackets	The effect of malunggay seeds on PH of tap and filtered water / Kim Nichole M. Baranda. by Baranda, Kim Nichole M Material type: Text; Format: print Publication details: Las Piñas City, Philippines : Southville International School and Colleges, 2011 Availability: Items available for reference: Luxembourg Library: Not for loan (1)Call number: PGS TX 971.M67 .B225 2011. Save to lists Add to cart (remove)
3.	Image from Google Jackets	Determination of pH levels of different carbonated drinks / Myeong Heon Lee. by Lee, Myeong Heon Material type: Text; Format: print Publication details: Las Piñas City, Philippines : Southville International School and Colleges, 2012 Availability: Items available for reference: Luxembourg Library: Not for loan (1)Call number: PGS QC 145 .L477 2012. Save to lists Add to cart (remove)

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