# Basiskennis chemie 3/Gegevens van zuren

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In de volgende tabel zijn pK$_z$ gegevens verzameld van een aantal zuren. De gegevens zijn voornamelijk afkomstig van de Nederlands-, Engels- en Duitstalige Wikipedia's. In de eerste kolom staan de namen vermeld van de neutrale verbindingen. Heeft een verbinding meerdere ionisatiestappen of groepen, dan staat dit aangegeven, Bij verbindingen met plaats-aanduidingen staat de plaatsaanduiding na een komma. Het voordeel van deze manier van noteren is dat bij sorteren op naamvergelijkbare verbindingen direct na elkaar staan.
Een aantal van de genoemde zuren wordt ook genoemd in BINAS 5e druk Tabel 49. Indien de pK$_z$-waarde substantieel verschilt van de in Wikipedia genoemde waarde, staat dit via een evrwijzing aangegeven. Verschillen tot 0.05 pK$_z$-eenheid worden niet gemeld.
| Naam | Zure vorm | K$_z$ | pK$_z$ | basische vorm |
| Perchloorzuur | ${\ce {HClO4}}$ | 1,58${\ce {\, . \,}}$10$^{15}$ | -15,2 | ${\ce {ClO4^{-}}}$ |
| Waterstofjodide | ${\ce {HI}}$ | 1${\ce {\, . \,}}$10$^{11}$ | -11,0 | ${\ce {I^{-}}}$ |
| Waterstofbromide | ${\ce {HBr}}$ | 1${\ce {\, . \,}}$10$^9$ | -9,0 | ${\ce {Br^{-}}}$ |
| Waterstofchloride | ${\ce {HCl}}$ | 1${\ce {\, . \,}}$10$^8$ | -8,0 | ${\ce {Cl^{-}}}$ |
| Zwavelzuur (1e stap) | ${\ce {H2SO4}}$ | 1${\ce {\, . \,}}$10$^3$ | -3,0 | ${\ce {HSO4^{-}}}$ |
| Chloorzuur | ${\ce {HClO3}}$ | 5,01${\ce {\, . \,}}$10$^2$ | -2,70 | ${\ce {ClO3^{-}}}$ |
| Salpeterzuur | ${\ce {HNO3}}$ | 2,75${\ce {\, . \,}}$10$^1$ | -1,44 | ${\ce {NO3^{-}}}$ |
| Chroomzuur (1e stap) | ${\ce {H2CrO4}}$ | 4,07${\ce {\, . \,}}$10$^0$ | -0,61 | ${\ce {HCrO4^{-}}}$ |
| Trifluorazijnzuur | ${\ce {F3CCOOH}}$ | 5,89${\ce {\, . \,}}$10$^{-1}$ | 0,23 | ${\ce {F3CCOO^{-}}}$ |
| Trichloorazijnzuur | ${\ce {Cl3CCOOH}}$ | 2,19${\ce {\, . \,}}$10$^{-1}$ | 0,66 | ${\ce {Cl3CCOO^{-}}}$ |
| Joodzuur | ${\ce {HIO3}}$ | 1,78${\ce {\, . \,}}$10$^{-1}$ | 0,75 | ${\ce {IO3^{-}}}$ |
| Dichloorazijnzuur | ${\ce {Cl2CHCOOH}}$ | 5,50${\ce {\, . \,}}$10$^{-2}$ | 1,26 | ${\ce {Cl2CHCOO^{-}}}$ |
| Oxaalzuur (1e stap) | ${\ce {HOOCCOOH}}$ | 5,37${\ce {\, . \,}}$10$^{-2}$ | 1,27 | ${\ce {HOOCCOO^{-}}}$ |
| Fosfonzuur (1e stap) | ${\ce {HPO(OH)2}}$ | 1,58${\ce {\, . \,}}$10$^{-2}$ | 1,80 | ${\ce {HP(O)2(OH)^{-}}}$ |
| Fosforigzuur | Zie Fosfonzuur; pK$_z$ = 1,80 | | | |
| Histidine (carboxyl) | ${\ce {((C3H4N2^{+})CH2)CHNH3^{+}COOH}}$ | 1,51${\ce {\, . \,}}$10$^{-2}$ | 1,82 | ${\ce {((C3H4N2^{+})CH2)CHNH3^{+}COO^{-}}}$ |
| Fenylalanine (carboxyl) | ${\ce {(C6H5CH2)CHNH3^{+}COOH}}$ | 1,48${\ce {\, . \,}}$10$^{-2}$ | 1,83 | ${\ce {(C6H5CH2)CHNH3^{+}COO^{-}}}$ |
| Zwaveligzuur (1e stap) | ${\ce {SO2\ +\ H2O\ \ \ (H2SO3)}}$ | 1,39${\ce {\, . \,}}$10$^{-2}$ | 1,857 | ${\ce {HSO3^{-}}}$ |
| Cysteïne (carboxyl) | ${\ce {(HSCH2)CHNH3^{+}COOH}}$ | 1,23${\ce {\, . \,}}$10$^{-2}$ | 1,91 | ${\ce {(HSCH2)CHNH3^{+}COO^{-}}}$ |
| Chlorigzuur | ${\ce {HClO2}}$ | 1,10${\ce {\, . \,}}$10$^{-2}$ | 1,96 | ${\ce {ClO2^{-}}}$ |
| Asparaginezuur (α-carboxyl) | ${\ce {(HOOCCH2)CHNH3^{+}COOH}}$ | 1,02${\ce {\, . \,}}$10$^{-2}$ | 1,99 | ${\ce {(HOOCCH2)CHNH3^{+}COO^{-}}}$ |
| Proline (carboxyl) | ${\ce {C4H7NH2^{+}COOH}}$ | 1,02${\ce {\, . \,}}$10$^{-2}$ | 1,99 | ${\ce {C4H7NH2^{+}COO^{-}}}$ |
| Zwavelzuur (2e stap) | ${\ce {HSO4^{-}}}$ | 1,02${\ce {\, . \,}}$10$^{-2}$ | 1,99 | ${\ce {SO4^{2-}}}$ |
| Asparagine (carboxyl) | ${\ce {(H2NC(O)CH2)CHNH3^{+}COOH}}$ | 7,94${\ce {\, . \,}}$10$^{-3}$ | 2,10 | ${\ce {(H2NC(O)CH2)CHNH3^{+}COO^{-}}}$ |
| Fosforzuur (1e stap) | ${\ce {H3PO4}}$ | 7,08${\ce {\, . \,}}$10$^{-3}$ | 2,15 | ${\ce {H2PO4^{-}}}$ |
| Methionine (carboxyl) | ${\ce {(CH3SCH2CH2)CHNH3^{+}COOH}}$ | 6,92${\ce {\, . \,}}$10$^{-3}$ | 2,16 | ${\ce {(CH3SCH2CH2)CHNH3^{+}COO^{-}}}$ |
| Glutamine (carboxyl) | ${\ce {(H2NC(O)CH2CH2)CHNH3^{+}COOH}}$ | 6,76${\ce {\, . \,}}$10$^{-3}$ | 2,17 | ${\ce {(H2NC(O)CH2CH2)CHNH3^{+}COO^{-}}}$ |
| Arginine (carboxyl) | ${\ce {((NH2)2C^{+}NH(CH2)3)CHNH3^{+}COOH}}$ | 6,76${\ce {\, . \,}}$10$^{-3}$ | 2,17 | ${\ce {((NH2)2C^{+}NH(CH2)3)CHNH3^{+}COO^{-}}}$ |
| Arseenzuur (1e stap) | ${\ce {H3AsO4}}$ | 6,46${\ce {\, . \,}}$10$^{-3}$ | 2,19 | ${\ce {H2AsO4^{-}}}$ |
| Glutaminezuur (carboxyl) | ${\ce {(HOOCCH2CH2)CHNH3^{+}COOH}}$ | 6,46${\ce {\, . \,}}$10$^{-3}$ | 2,19 | ${\ce {(HOOCCH2CH2)CHNH3^{+}COO^{-}}}$ |
| Lysine (carboxyl) | ${\ce {(H3N^{+}(CH2)4)CHNH3^{+}COOH}}$ | 6,31${\ce {\, . \,}}$10$^{-3}$ | 2,20 | ${\ce {(H3N^{+}(CH2)4)CHNH3^{+}COO^{-}}}$ |
| Tyrosine (carboxyl) | ${\ce {(HOC6H4CH2)CHNH3^{+}COOH}}$ | 6,31${\ce {\, . \,}}$10$^{-3}$ | 2,20 | ${\ce {(HOC6H4CH2)CHNH3^{+}COO^{-}}}$ |
| Serine (carboxyl) | ${\ce {(HOCH2)CHNH3^{+}COOH}}$ | 6,17${\ce {\, . \,}}$10$^{-3}$ | 2,21 | ${\ce {(HOCH2)CHNH3^{+}COO^{-}}}$ |
| IJzer(III) gesolvateerd | ${\ce {Fe(H2O)6^{3+}}}$ | 6,03${\ce {\, . \,}}$10$^{-3}$ | 2,22 | ${\ce {FeOH(H2O)5^{2+}}}$ |
| Isoleucine (carboxyl) | ${\ce {(EtMeCH)CHNH3^{+}COOH}}$ | 5,50${\ce {\, . \,}}$10$^{-3}$ | 2,26 | ${\ce {(EtMeCH)CHNH3^{+}COO^{-}}}$ |
| Valine (carboxyl) | ${\ce {((CH3)2CH)CHNH3^{+}COOH}}$ | 4,79${\ce {\, . \,}}$10$^{-3}$ | 2,32 | ${\ce {((CH3)2CH)CHNH3^{+}COO^{-}}}$ |
| Alanine (carboxyl) | ${\ce {(CH3)CHNH3^{+}COOH}}$ | 4,57${\ce {\, . \,}}$10$^{-3}$ | 2,34 | ${\ce {(CH3)CHNH3^{+}COO^{-}}}$ |
| Glycine (carboxyl) | ${\ce {CH2NH3^{+}COOH}}$ | 4,57${\ce {\, . \,}}$10$^{-3}$ | 2,34 | ${\ce {CH2NH3^{+}COO^{-}}}$ |
| Leucine (carboxyl) | ${\ce {(Me2CHCH2)CHNH3^{+}COOH}}$ | 4,37${\ce {\, . \,}}$10$^{-3}$ | 2,36 | ${\ce {(Me2CHCH2)CHNH3^{+}COO^{-}}}$ |
| Tryptofaan (carboxyl) | ${\ce {(C8H6NCH2)CHNH3^{+}COOH}}$ | 3,98${\ce {\, . \,}}$10$^{-3}$ | 2,40 | ${\ce {(C8H6NCH2)CHNH3^{+}COO^{-}}}$ |
| Fluorazijnzuur | ${\ce {FCH2COOH}}$ | 2,59${\ce {\, . \,}}$10$^{-3}$ | 2,586 | ${\ce {FCH2COO^{-}}}$ |
| Threonine (carboxyl) | ${\ce {(CH3C(HO)H)CHNH3^{+}COOH}}$ | 2,34${\ce {\, . \,}}$10$^{-3}$ | 2,63 | ${\ce {(CH3C(HO)H)CHNH3^{+}COO^{-}}}$ |
| Waterstoftelluride (1e stap) | ${\ce {H2Te}}$ | 2,29${\ce {\, . \,}}$10$^{-3}$ | 2,64 | ${\ce {HTe^{-}}}$ |
| Chloorpropaanzuur, 2- | ${\ce {CH3CHClCOOH}}$ | 1,48${\ce {\, . \,}}$10$^{-3}$ | 2,83 | ${\ce {CH3CHClCOO^{-}}}$ |
| Malonzuur (1e stap) | ${\ce {HOOCCH2COOH}}$ | 1,48${\ce {\, . \,}}$10$^{-3}$ | 2,83 | ${\ce {HOOCCH2COO^{-}}}$ |
| Chloorazijnzuur | ${\ce {ClCH2COOH}}$ | 1,35${\ce {\, . \,}}$10$^{-3}$ | 2,87 | ${\ce {ClCH2COO^{-}}}$ |
| Ftaalzuur | ${\ce {C6H4(COOH)2}}$ | 1,29${\ce {\, . \,}}$10$^{-3}$ | 2,89 | ${\ce {C6H4(COOH)(COO^{-})}}$ |
| Salicylzuur (carboxyl) | ${\ce {HOC6H4(COOH)}}$ | 1,07${\ce {\, . \,}}$10$^{-3}$ | 2,97 | ${\ce {HOC6H4COO^{-}}}$ |
| Citroenzuur (1e stap) | ${\ce {HOC3H5(COOH)3}}$ | 7,08${\ce {\, . \,}}$10$^{-4}$ | 3,15 | ${\ce {HOC3H5(COOH)2COO^{-}}}$ |
| Waterstoffluoride | ${\ce {HF}}$ | 6,76${\ce {\, . \,}}$10$^{-4}$ | 3,17 | ${\ce {F^{-}}}$ |
| Salpeterigzuur | ${\ce {HNO2}}$ | 4,47${\ce {\, . \,}}$10$^{-4}$ | 3,35 | ${\ce {NO2^{-}}}$ |
| Appelzuur (1e stap) | ${\ce {HOOCCH2CH(OH)COOH}}$ | 3,98${\ce {\, . \,}}$10$^{-4}$ | 3,40 | ${\ce {HOOCCH2CH(OH)COO^{-}}}$ |
| Mierenzuur | ${\ce {HCOOH}}$ | 1,78${\ce {\, . \,}}$10$^{-4}$ | 3,75 | ${\ce {HCOO^{-}}}$ |
| Chroom(III) gesolvateerd | ${\ce {Cr(H2O)6^{3+}}}$ | 1,51${\ce {\, . \,}}$10$^{-4}$ | 3,82 | ${\ce {CrOH(H2O)5^{2+}}}$ |
| Glycolzuur | ${\ce {HOCH2COOH}}$ | 1,48${\ce {\, . \,}}$10$^{-4}$ | 3,83 | ${\ce {HOCH2COO^{-}}}$ |
| Melkzuur | ${\ce {CH3CH(OH)COOH}}$ | 1,41${\ce {\, . \,}}$10$^{-4}$ | 3,85 | ${\ce {CH3CH(OH)COO^{-}}}$ |
| Diwaterstofselenide (1e stap) | ${\ce {H2Se}}$ | 1,29${\ce {\, . \,}}$10$^{-4}$ | 3,89 | ${\ce {HSe^{-}}}$ |
| Asparaginezuur (zijketen) | ${\ce {(HOOCCH2)CHNH3^{+}^COO{-}}}$ | 1,26${\ce {\, . \,}}$10$^{-3}$ | 3,90 | ${\ce {(^{-}OOCCH2)CHNH3^{+}COO^{-}}}$ |
| Chloorpropaanzuur, 3- | ${\ce {ClCH2CH2^COOH}}$ | 1,05${\ce {\, . \,}}$10$^{-3}$ | 3,98 | ${\ce {ClCH2CH2COO^{-}}}$ |
| Barnsteenzuur (1e stap) | ${\ce {HOOC(CH2)2COOH}}$ | 6,31${\ce {\, . \,}}$10$^{-5}$ | 4,20 | ${\ce {HOOC(CH2)2COO^{-}}}$ |
| Benzoëzuur | ${\ce {C6H5COOH}}$ | 6,28${\ce {\, . \,}}$10$^{-5}$ | 4,202 | ${\ce {C6H5COO^{-}}}$ |
| Acrylzuur Propeenzuur | ${\ce {H2C=CHCOOH}}$ | 5,62${\ce {\, . \,}}$10$^{-5}$ | 4,25 | ${\ce {H2C=CHCOO^{-}}}$ |
| Propeenzuur | Zie Acrylzuur; pK$_z$ = 4,25 | | | |
| Glutaminezuur (zijketen) | ${\ce {(HOOCCH2CH2)CHNH3^{+}COO^{-}}}$ | 5,50${\ce {\, . \,}}$10$^{-5}$ | 4,26 | ${\ce {(^{-}OOCCH2CH2)CHNH3^{+}COO^{-}}}$ |
| Oxaalzuur (2e stap) | ${\ce {HOOCCOO^{-}}}$ | 5,37${\ce {\, . \,}}$10$^{-5}$ | 4,27 | ${\ce {^{-}OOCCOO^{-}}}$ |
| Aniline | ${\ce {C6H5NH3^{+}}}$ | 2,34${\ce {\, . \,}}$10$^{-5}$ | 4,63 | ${\ce {C6H5NH2}}$ |
| Azijnzuur | ${\ce {CH3COOH}}$ | 1,78${\ce {\, . \,}}$10$^{-5}$ | 4,75 | ${\ce {CH3COO^{-}}}$ |
| Citroenzuur (2e stap) | ${\ce {HOC3H5(COOH)2COO^{-}}}$ | 1,70${\ce {\, . \,}}$10$^{-5}$ | 4,77 | ${\ce {HOC3H5(COOH)(COO)2^{2-}}}$ |
| Valeriaanzuur, iso- Methylbutaanzuur, 3- | ${\ce {(CH3)2CHCH2COOH}}$ | 1,70${\ce {\, . \,}}$10$^{-5}$ | 4,77 | ${\ce {(CH3)2CHCH2COO^{-}}}$ |
| Boterzuur, n- Butaanzuur | ${\ce {CH3CH2CH2COOH}}$ | 1,51${\ce {\, . \,}}$10$^{-5}$ | 4,82 | ${\ce {CH3CH2CH2COO^{-}}}$ |
| Valeriaanzuur, n- Pentaanzuur | ${\ce {CH3(CH2)3COOH}}$ | 1,51${\ce {\, . \,}}$10$^{-5}$ | 4,82 | ${\ce {CH3(CH2)3COO^{-}}}$ |
| Aluminium(III) gesolvateerd | ${\ce {Al(H2O)6^{3+}}}$ | 1,41${\ce {\, . \,}}$10$^{-5}$ | 4,85 | ${\ce {AlOH(H2O)5^{2+}}}$ |
| Boterzuur, iso- Methylpropaanzuur, 2- | ${\ce {(CH3)2CHCOOH}}$ | 1,38${\ce {\, . \,}}$10$^{-5}$ | 4,86 | ${\ce {(CH3)2CHCOO^{-}}}$ |
| Propionzuur | ${\ce {CH3CH2COOH}}$ | 1,35${\ce {\, . \,}}$10$^{-5}$ | 4,87 | ${\ce {CH3CH2COO^{-}}}$ |
| Appelzuur (2e stap) | ${\ce {HOOCCH2CH(OH)COO^{-}}}$ | 6,31${\ce {\, . \,}}$10$^{-6}$ | 5,20 | ${\ce {^{-}OOCCH2CH(OH)COO^{-}}}$ |
| Waterstofftalaat | ${\ce {C6H4(COOH)(COO^{-})}}$ | 3,09${\ce {\, . \,}}$10$^{-6}$ | 5,51 | ${\ce {C6H4(COO^{-})2}}$ |
| Malonzuur (2e stap) | ${\ce {HOOCCH2COO^{-}}}$ | 2.00${\ce {\, . \,}}$10$^{-6}$ | 5,70 | ${\ce {^{-}OOCCH2COO^{-}}}$ |
| Histidine (imidazol) | ${\ce {((C3H4N2^{+})CH2)CHNH3^{+}COO^{-}}}$ | 1,00${\ce {\, . \,}}$10$^{-6}$ | 6,00 | ${\ce {((C3H3N2)CH2)CHNH3^{+}COO^{-}}}$ |
| Koolzuur (1e stap) | ${\ce {CO2\ +\ H2O\ \ \ (H2CO3)}}$ | 4,47${\ce {\, . \,}}$10$^{-7}$ | 6,35 | ${\ce {HCO3^{-}}}$ |
| Citroenzuur (3e stap) | ${\ce {HOC3H5(COOH)(COO)2^{2-}}}$ | 3,98${\ce {\, . \,}}$10$^{-7}$ | 6,40 | ${\ce {HOC3H5(COO)3^{3-}}}$ |
| Chroomzuur (2e stap) | ${\ce {HCrO4^{-}}}$ | 3,24${\ce {\, . \,}}$10$^{-7}$ | 6,49 | ${\ce {CrO4^{2-}}}$ |
| Fosfonzuur (2e stap) | ${\ce {HP(O)2(OH)^{-}}}$ | 2,57${\ce {\, . \,}}$10$^{-7}$ | 6,59 | ${\ce {HPO3^{2-}}}$ |
| Arseenzuur (2e stap) | ${\ce {H2AsO4^{-}}}$ | 1.15${\ce {\, . \,}}$10$^{-7}$ | 6,94 | ${\ce {HAsO4^{2-}}}$ |
| Diwaterstofsuflide | ${\ce {H2S}}$ | 8,91${\ce {\, . \,}}$10$^{-8}$ | 7,05 | ${\ce {HS^{-}}}$ |
| Nitrofenol, 4- | ${\ce {O2NC6H4OH}}$ | 8,32${\ce {\, . \,}}$10$^{-8}$ | 7,08 | ${\ce {O2NC6H4O^{-}}}$ |
| Fosforzuur (2e stap) | ${\ce {H2PO4^{-}}}$ | 8,13${\ce {\, . \,}}$10$^{-8}$ | 7,09 | ${\ce {HPO4^{2-}}}$ |
| Zwaveligzuur (2e stap) | ${\ce {HSO3^{-}}}$ | 6,73${\ce {\, . \,}}$10$^{-8}$ | 7,172 | ${\ce {SO3^{2-}}}$ |
| Hypochloorzuur | ${\ce {HClO}}$ | 3,24${\ce {\, . \,}}$10$^{-8}$ | 7,49 | ${\ce {ClO^{-}}}$ |
| Lood(II) gesolvateerd | ${\ce {Pb(H2O)_{n}^{2+}}}$ | 1,58${\ce {\, . \,}}$10$^{-8}$ | 7.80 | ${\ce {PbOH(H2O)_{n-1}^{+}}}$ |
| Koper(II) gesolvateerd | ${\ce {Cu(H2O)6^{2+}}}$ | 1,00${\ce {\, . \,}}$10$^{-8}$ | 8,00 | ${\ce {CuOH(H2O)5^{+}}}$ |
| Cysteïne (SH) | ${\ce {(HSCH2)CHNH3^{+}COOH}}$ | 7,24${\ce {\, . \,}}$10$^{-9}$ | 8,14 | ${\ce {(^{-}SCH2)CHNH3^{+}COO^{-}}}$ |
| Hypobromigzuur | ${\ce {HBrO}}$ | 2,24${\ce {\, . \,}}$10$^{-9}$ | 8,65 | ${\ce {BrO^{-}}}$ |
| Asparagine (amino) | ${\ce {(H2NC(O)CH2)CHNH3^{+}COO^{-}}}$ | 1,58${\ce {\, . \,}}$10$^{-9}$ | 8,80 | ${\ce {(H2NC(O)CH2)CHNH2COO^{-}}}$ |
| Waterstoftelluride (2e stap) | ${\ce {HTe^{-}}}$ | 1,58${\ce {\, . \,}}$10$^{-9}$ | 8,80 | ${\ce {Te^{2-}}}$ |
| Lysine (amino) | ${\ce {(H3N^{+}(CH2)4)CHNH3^{+}COO^{-}}}$ | 1,26${\ce {\, . \,}}$10$^{-9}$ | 8,90 | ${\ce {(H3N^{+}(CH2)4)CHNH2COO^{-}}}$ |
| Methionine (amino) | ${\ce {(CH3SCH2CH2)CHNH3^{+}COO^{-}}}$ | 8,32${\ce {\, . \,}}$10$^{-10}$ | 9,08 | ${\ce {(CH3SCH2CH2)CHNH2COO^{-}}}$ |
| Tyrosine (amino) | ${\ce {(C6H5CH2)CHNH2COO^{-}}}$ | 7,94${\ce {\, . \,}}$10$^{-10}$ | 9,10 | ${\ce {(HOC6H4CH2)CHNH2COO^{-}}}$ |
| Fenylalanine (amino) | ${\ce {(C6H5CH2)CHNH3^{+}COO^{-}}}$ | 7,41${\ce {\, . \,}}$10$^{-10}$ | 9,13 | ${\ce {(C6H5CH2)CHNH2COO^{-}}}$ |
| Glutamine (amino) | ${\ce {(H2NC(O)CH2CH2)CHNH3^{+}COO{-}}}$ | 7,41${\ce {\, . \,}}$10$^{-10}$ | 9,13 | ${\ce {(H2NC(O)CH2CH2)CHNH2COO{-}}}$ |
| Boorzuur (1e stap) | ${\ce {H3BO3}}$ | 7,24${\ce {\, . \,}}$10$^{-10}$ | 9,14 | ${\ce {H2BO3^{-}}}$ |
| Arginine (amino) | ${\ce {((NH2)2C^{+}NH(CH2)3)CHNH2COO^{-}}}$ | 7,08${\ce {\, . \,}}$10$^{-10}$ | 9,15 | ${\ce {((NH2)(NH)CNH(CH2)3)CHNH2COO^{-}}}$ |
| Serine (amino) | ${\ce {(HOCH2)CHNH3^{+}COO^{-}}}$ | 7,08${\ce {\, . \,}}$10$^{-10}$ | 9,15 | ${\ce {(HOCH2)CHNH2COO^{-}}}$ |
| Histidine (amino) | ${\ce {((C3H3N2)CH2)CHNH3^{+}COO^{-}}}$ | 6,76${\ce {\, . \,}}$10$^{-10}$ | 9,17 | ${\ce {((C3H3N2)CH2)CHNH2COO^{-}}}$ |
| Arsenigzuur (1e stap) | ${\ce {H3AsO3}}$ | 5,89${\ce {\, . \,}}$10$^{-10}$ | 9,23 | ${\ce {H2AsO3^{-}}}$ |
| Ammoniak | ${\ce {NH4^{+}}}$ | 5,75${\ce {\, . \,}}$10$^{-10}$ | 9,24 | ${\ce {NH3}}$ |
| Tryptofaan (amino) | ${\ce {(C8H6NCH2)CHNH3^{+}COO^{-}}}$ | 5,01${\ce {\, . \,}}$10$^{-10}$ | 9,30 | ${\ce {(C8H6NCH2)CHNH2COO^{-}}}$ |
| Waterstofcyanide | ${\ce {HCN}}$ | 4,37${\ce {\, . \,}}$10$^{-10}$ | 9,36 | ${\ce {CN^{-}}}$ |
| Glycine (amino) | ${\ce {CH2NH3^{+}COO^{-}}}$ | 2,51${\ce {\, . \,}}$10$^{-10}$ | 9,60 | ${\ce {CH2NH2COO^{-}}}$ |
| Isoleucine (amino) | ${\ce {(EtMeCH)CHNH3^{+}COOH}}$ | 5,51${\ce {\, . \,}}$10$^{-10}$ | 9,60 | ${\ce {(EtMeCH)CHNH2COO^{-}}}$ |
| Leucine (amino) | ${\ce {(Me2CHCH2)CHNH3^{+}COO^{-}}}$ | 2,51${\ce {\, . \,}}$10$^{-10}$ | 9,60 | ${\ce {(Me2CHCH2)CHNH2COO^{-}}}$ |
| Valine (amino) | ${\ce {((CH3)2CH)CHNH3^{+}COO^{-}}}$ | 2,40${\ce {\, . \,}}$10$^{-10}$ | 9,62 | ${\ce {((CH3)2CH)CHNH2COO^{-}}}$ |
| Zink(II) gesolvateerd | ${\ce {Zn(H2O)6^{2+}}}$ | 2,19${\ce {\, . \,}}$10$^{-10}$ | 9,66 | ${\ce {ZnOH(H2O)5^{+}}}$ |
| Glutaminezuur (amino) | ${\ce {(^{-}OOCCH2CH2)CHNH3^{+}COO^{-}}}$ | 2,14${\ce {\, . \,}}$10$^{-10}$ | 9,67 | ${\ce {(^{-}OOCCH2CH2)CHNH2COO^{-}}}$ |
| Alanine (amino) | ${\ce {(CH3)CHNH3^{+}COO^{-}}}$ | 2,04${\ce {\, . \,}}$10$^{-10}$ | 9,69 | ${\ce {(CH3)CHNH2COO^{-}}}$ |
| Trimethylamine | ${\ce {(CH3)3NH^{+}}}$ | 1,55${\ce {\, . \,}}$10$^{-10}$ | 9,81 | ${\ce {(CH3)3N}}$ |
| Asparaginezuur (amino) | ${\ce {(^{-}OOCCH2)CHNH3^{+}COO^{-}}}$ | 1,26${\ce {\, . \,}}$10$^{-10}$ | 9,90 | ${\ce {(^{-}OOCCH2)CHNH2COO^{-}}}$ |
| Fenol | ${\ce {C6H5OH}}$ | 1,12${\ce {\, . \,}}$10$^{-10}$ | 9,95 | ${\ce {C6H5O^{-}}}$ |
| Cresol, m- | m-${\ce {CH3C6H4OH}}$ | 8,13${\ce {\, . \,}}$10$^{-11}$ | 10,09 | m-${\ce {CH3C6H4O^{-}}}$ |
| Cresol, p- | p-${\ce {CH3C6H4OH}}$ | 5,50${\ce {\, . \,}}$10$^{-11}$ | 10,26 | p-${\ce {CH3C6H4O^{-}}}$ |
| Cysteïne (amino) | ${\ce {(^{-}SCH2)CHNH3^{+}COO^{-}}}$ | 5,25${\ce {\, . \,}}$10$^{-11}$ | 10,28 | ${\ce {(^{-}SCH2)CHNH2COO^{-}}}$ |
| Lysine (zijketenamino) | ${\ce {(H3N^{+}(CH2)4)CHNH2COO^{-}}}$ | 5,25${\ce {\, . \,}}$10$^{-11}$ | 10,28 | ${\ce {(H2N(CH2)4)CHNH2COO^{-}}}$ |
| Cresol, o- | o-${\ce {CH3C6H4OH}}$ | 8,13${\ce {\, . \,}}$10$^{-11}$ | 10,29 | o-${\ce {CH3C6H4O^{-}}}$ |
| Threonine (amino) | ${\ce {(CH3C(HO)H)CHNH3^{+}COO^{-}}}$ | 3,72${\ce {\, . \,}}$10$^{-11}$ | 10,29 | ${\ce {(CH3C(HO)H)CHNH2COO^{-}}}$ |
| Koolzuur (2e stap) | ${\ce {HCO3^{-}}}$ | 4,68${\ce {\, . \,}}$10$^{-11}$ | 10,33 | ${\ce {CO3^{2-}}}$ |
| Methaanthiol | ${\ce {CH3SH}}$ | 3,98${\ce {\, . \,}}$10$^{-11}$ | 10,40 | ${\ce {CH3S^{-}}}$ |
| Tyrosine (OH) | ${\ce {(HOC6H4CH2)CHNH2COO^{-}}}$ | 1,26${\ce {\, . \,}}$10$^{-11}$ | 10,90 | ${\ce {(^{-}OC6H4CH2)CHNH2COO^{-}}}$ |
| Proline (amino) | ${\ce {C4H7NH2^{+}COO^{-}}}$ | 1,10${\ce {\, . \,}}$10$^{-11}$ | 10,96 | ${\ce {C4H7NHCOO^{-}}}$ |
| Methylamine | ${\ce {CH3NH3^{+}}}$ | 2,19${\ce {\, . \,}}$10$^{-11}$ | 10,66 | ${\ce {CH3NH2}}$ |
| Dimethylamine | ${\ce {(CH3)2NH2^{+}}}$ | 1,95${\ce {\, . \,}}$10$^{-11}$ | 10,71 | ${\ce {(CH3)2NH}}$ |
| Onderjodigzuur | ${\ce {HIO}}$ | 1,82${\ce {\, . \,}}$10$^{-11}$ | 10,74 | ${\ce {IO^{-}}}$ |
| Arseenzuur (3e stap) | ${\ce {HAsO4^{2-}}}$ | 3,16${\ce {\, . \,}}$10$^{-12}$ | 11,5 | ${\ce {AsO4^{3-}}}$ |
| Waterstofperoxide | ${\ce {H2O2}}$ | 1,78${\ce {\, . \,}}$10$^{-12}$ | 11,75 | ${\ce {HO2{-}}}$ |
| Diwaterstofsuflide | ${\ce {HS^{-}}}$ | 1,10${\ce {\, . \,}}$10$^{-12}$ | 11,96 | ${\ce {S^{2-}}}$ |
| Fosforzuur (3e stap) | ${\ce {HPO4^{2-}}}$ | 4,79${\ce {\, . \,}}$10$^{-13}$ | 12,32 | ${\ce {PO4^{3-}}}$ |
| Arginine (guanidino) | ${\ce {((NH2)2C^{+}NH(CH2)3)CHNH2COO^{-}}}$ | 3,31${\ce {\, . \,}}$10$^{-13}$ | 12,48 | ${\ce {((NH2)(NH)CNH(CH2)3)CHNH2COO^{-}}}$ |
| Boorzuur (2e stap) | ${\ce {H2BO3^{-}}}$ | 1,82${\ce {\, . \,}}$10$^{-13}$ | 12,74 | ${\ce {HBO3^{2-}}}$ |
| Arsenigzuur (2e stap) | ${\ce {H2AsO3^{-}}}$ | 3,02${\ce {\, . \,}}$10$^{-14}$ | 13,52 | ${\ce {HAsO3^{2-}}}$ |
| Boorzuur (3e stap) | ${\ce {HBO3^{2-}}}$ | 1,58${\ce {\, . \,}}$10$^{-14}$ | 13,80 | ${\ce {BO3^{3-}}}$ |
| Salicylzuur (hydroxxyl) | ${\ce {HOC6H4COO^{-}}}$ | 1,51${\ce {\, . \,}}$10$^{-14}$ | 13,82 | ${\ce {^{-}OC6H4COO^{-}}}$ |
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* ↑ Tenzij anders vermeld zijn de gegevens ontleend aan de Nederlandstalige Wikipedia op 18 januari 2023
* 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 Engelstalige Wikipedia 18 januari 2023
* ↑ BINAS 5e druk Tabel 49 meldt hier een waarde van 0.74
* 1 2 3 4 5 6 7 8 9 10 Duitstalige Wikipedia 18 januari 2023
* 1 2 3 Merck 13,7430
* 1 2 3 (via PubChem) Budavari, S, (ed,), The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals, Whitehouse Station, NJ: Merck and Co,, Inc,, 1996,, p, 817
* 1 2 3 4 5 6 7 8 9 10 11 12 BINAS 5e druk Tabel 49; Noordhoff Uitgevers; ISBN: 978-90-01-89380-4
* ↑ (via PubChem) O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. Whitehouse Station, NJ: Merck and Co., Inc., 2006., p. 1149
* ↑ BINAS 5e druk Tabel 49 meldt hier een waarde van 3,25
* ↑ BINAS5
* ↑ BINAS 5e druk Tabel 49 meldt hier een waarde van 6.76
* ↑ BINAS 5e druk Tabel 49 meldt hier een waarde van 7.21
* ↑ BINAS 5e druk Tabel 49 meldt hier een waarde van 9.21
* ↑ BINAS 5e druk Tabel 49 meldt hier een waarde van 9.78
* ↑ BINAS 5e druk Tabel 49 meldt hier een waarde van 9.89
* ↑ BINAS 5e druk Tabel 49 meldt hier een waarde van 11,29
* ↑ BINAS 5e druk Tabel 49 meldt hier een waarde van 11,62