PH

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Ing pH sukad ne ning panga-asidu (kaslam) o panga-alkaline ning metung a solusiun. Deng solusiun king danum o aqueous solutions king pali o temperaturang 25 °C a maki pH a kulang king pitu (7.0) tuturing da lang asidu, kabang alkaline o basic no man detang maki pH a maigit king pitu. Nung saktu yang 7.0 ing kayang pH, tuturing deng 'neutral' king temperaturang 25 °C uling king temperaturang ita, pante ya ing bilang da reng H3O+ karetang OH king purung danum. Magdependi ya ing pH king aktibidad da reng hydronium ion (H3O+),[1] dapot kareng maina (o dilute) a solusiun, malyari yang gamitan ing molarity ning H3O+ a e midadayu ketang ustung kuenta [2] Ing (H+ pane deng gagamitan a katumbas ning H3O+.) Uling magdependi ya ing pH king aktibidad da reng ion, metung a kaurian (property) a e malaguang sukdan o karkulan ibat king teoria (theoretically), masakit yang pakibaluan ing eksaktung sukad ning pH ning metung a solusiun. keraklan, makukua ya ing sukad ning metung a solusiun kapamilata'ning pamiyanti (comparing) kareng solusiun a e ra pa balu pH karetang balu ra na pH, at ating mapilan a paralan bang marapat iti.

Ing minunang migpakilala king konseptu ning pH ya pin ing chemist ibat Denmark a i S. P. L. Sørensen king Carlsberg Laboratory[3] in 1909. Dakal la reng sasabian dang penibatan ning lagyung pH, kayabe no reng pondus hydrogenii, potentia hydrogenii (Latin),[4] potentiel hydrogène (French), ampong potential of hydrogen (English).[5]

Measurement

Sukad dang pH deng Mapilang Bage[citation needed]
Sangkap pH
Hydrochloric acid, 10M
-1.0
Batiriang lead-acid
0.5
Asidu ning dungus
1.5 – 2.0
Katas ning limun
2.4
Cola
2.5
Aslam
2.9
Katas ning dalandan o mansanas
3.5
Katas ning kamatis
4.0
beer
4.5
Uran a asidu (acid rain)
<5.0
Kape
5.0
Tsa or healthy skin
5.0
Imi
6.0
Gatas
6.5
Purung danum
7.0
Wawa ning tau
6.5 – 7.4
Daya
7.34 – 7.45
Dayatmalat
7.7 – 8.3
Sabun a mabanglu
9.0 – 10.0
Ammonia
11.5
Clorox
12.5
Sosa
13.5

Deng likidu ning katawan

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pH kareng likidu ning katawan [6]
Fluid pH
asidu ning dungus 0.7
lysosome 5.5
granule ning chromaffin cell 5.5
Neutral H2O at 37 °C 6.81
cytosol 7.2
CSF 7.3
arterial plasma ning daya 7.4
mitochondrial matrix 7.5
exocrine secretions ning kundilat 8.1

Magdependi ing pH da reng miyayaliwang likidu ning katawan ketang gamit da reti at aliwa pang bage. Keraklan, masipit o maigpit ing pamagkontrol kaniti bang panatilian ing w:acid-base homeostasis o pangabalansi da reng asidu ampong alkali base.

Lon la murin deti

Pikuanan

  1. HORIBA : The story of pH
  2. pH Facts
  3. Carlsberg Research Centre history page, http://www.crc.dk/history.shtml
  4. Re: What does pH stand for and who invented it? Can you help me?
  5. pH study guide
  6. Unless else specified in table: Walter F., PhD. Boron. Medical Physiology: A Cellular And Molecular Approach. Elsevier/Saunders. ISBN 1-4160-2328-3.  Page 634

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