PH SCALE
\pˈiː ˈe͡ɪt͡ʃ skˈe͡ɪl], \pˈiː ˈeɪtʃ skˈeɪl], \p_ˈiː_ ˈeɪ_tʃ s_k_ˈeɪ_l]\
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(chemistry) p (otential of) H (ydrogen); the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter.
By Princeton University
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A scale used to measure the alkalinity and acidity of any substance that is soluble in water. The pH values are given from 1- 14. 7 is regarded as the neutral point, while those values that lie below 7 are acidic, and concurrently, values above 7 are considered to be alkaline.
By Henry Campbell Black
Word of the day
Platidiam
- An inorganic water-soluble platinum complex. After undergoing hydrolysis, it reacts DNA produce both intra interstrand crosslinks. These crosslinks appear to impair replication and transcription of DNA. The cytotoxicity cisplatin correlates with cellular arrest in G2 phase cell cycle.