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Arsenate

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is the main factor influencing reduction potential. Arsenates occur in oxygenated waters, which have a high pe, while arsenites are the main arsenic species in
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Elias, Mikael; Wellner, Alon; Goldin-Azulay, Korina; Chabriere, Eric; Vorholt, Julia A.; Erb, Tobias J.; Tawfik, Dan S. (2012).
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Sánchez-Rodas, Daniel; Luis Gómez-Ariza, José; Giráldez, Inmaculada; Velasco, Alfredo; Morales, Emilio (1 June 2005).
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projects in many countries. CCA remains a common and economical treatment choice for non-residential uses such as
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Pollutants, National Research Council (US) Committee on Medical and Biological Effects of Environmental (1977).
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Pollutants, National Research Council (US) Committee on Medical and Biological Effects of Environmental (1977).
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Marinho, Belisa A.; Cristóvão, Raquel O.; Boaventura, Rui A. R.; Vilar, Vítor J. P. (1 January 2019).
581: 1538:"As(III) and Cr(VI) oxyanion removal from water by advanced oxidation/reduction processes—a review" 1486:
Likar, M; Schauer, P; Japelj, M; Globokar, M; Oklobdzija, M; Povse, A; Sunjić, V (1 January 1970).
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value and arsenate species dominate. In deoxygenated water, with low pe, arsenite species dominate.
953: 929: 949: 537: 435: 846:. Hydrogen arsenate and dihydrogen arsenate predominate in aqueous solution near neutral pH. 384: 57: 1697: 1652: 1297: 1166: 575: 571: 172: 127: 83: 8: 1604:, Interface Science in Drinking Water Treatment, vol. 10, Elsevier, pp. 193–206 850: 555: 419: 411: 403: 73: 1656: 1301: 1170: 1072:, IARC Scientific Publications, Lyon (FR): International Agency for Research on Cancer, 1834: 1829: 1573: 1378: 1326: 1285: 1198: 1064:
Waalkes, Michael P. (2019), Baan, Robert A.; Stewart, Bernard W.; Straif, Kurt (eds.),
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since the 1930s. Safety concerns have led to the phasing out of CCA-treated wood for
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pigment was made from cobalt arsenate before its toxicity led to its replacement by
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Jekel, M.; Amy, G. L. (1 January 2006), Newcombe, Gayle; Dixon, David (eds.),
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Corbeil, Marie-Claude; Charland, Jean-Pierre; Moffatt, Elizabeth A. (2002).
853:(pe) of a solution also affects arsenate speciation. In natural waters, the 1809: 1680: 1569: 1421: 1335: 1194: 1087: 881: 686: 632: 567: 443: 284: 1519: 888:
with repeated exposure. Countries with high levels of arsenic minerals in
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arsenate compounds are often brightly coloured and have been used to make
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and subsequent ban by multiple regulatory bodies due to health concerns.
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were commonly used until their replacement by newer pesticides such as
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Except where otherwise noted, data are given for materials in their
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in a formula, it is called diarsenate for example zinc diarsenate,
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shows the combined influence of pH and pe on arsenate speciation.
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atoms. The four oxygen atoms orient around the arsenic atom in a
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Arsenates, along with arsenites, are a significant source of
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disperses the ion's −3 charge across all four oxygen atoms.
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Arsenate readily reacts with metals to form arsenate metal
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Tumour Site Concordance and Mechanisms of Carcinogenesis
690: 628: 1348: 1778:"Arsenic toxicity and potential mechanisms of action" 896:, are especially at risk of arsenate contamination. 963:As with other arsenic compounds, arsenate binds to 485:. Examples of arsenate-containing minerals include 1821: 1351:"The Characterization of Cobalt Violet Pigments" 979:and therefore resulting in further loss of ATP. 944:, forming the next intermediate in the pathway, 912:as it interferes with the normal functioning of 151: 1260:"The Global Problem of Lead Arsenate Pesticide" 82: 1108:"P1: Standard Reduction Potentials by Element" 1542:Environmental Science and Pollution Research 1459:, Oxford: Academic Press, pp. 751–752, 1284:Dariz, Petra; Schmid, Thomas (28 May 2021). 359:. Bonding in arsenate consists of a central 195:InChI=1S/AsH3O4/c2-1(3,4)5/h(H3,2,3,4,5)/p-3 1283: 205:InChI=1/AsH3O4/c2-1(3,4)5/h(H3,2,3,4,5)/p-3 1621: 1457:Encyclopedia of Toxicology (Third Edition) 1135: 948:. Therefore, glycolysis proceeds, but the 126: 1325: 685:). Trihydrogen arsenate is also known as 611:showing the distribution of arsenate and 469:, a naturally occurring arsenate mineral. 171: 1595: 960:of glycolysis, explaining its toxicity. 697:can be determined from their respective 603: 461: 1063: 940:instead, which is unstable and quickly 1822: 1775: 1692: 1690: 1450: 1446: 1444: 1442: 1235:"The Evolution of Chemical Pesticides" 952:molecule that would be generated from 1771: 1769: 1591: 1589: 1587: 1531: 1529: 899: 842:These values are similar to those of 693:, the distribution of these arsenate 505:. When two arsenate ions balance the 457: 198:Key: DJHGAFSJWGLOIV-UHFFFAOYSA-K 1645:The Science of the Total Environment 1131: 1129: 1034: 1032: 1030: 442:. Arsenate can replace phosphate in 1721: 1687: 1615: 1439: 1007: 208:Key: DJHGAFSJWGLOIV-DFZHHIFOAQ 142: 13: 1776:Hughes, Michael F. (7 July 2002). 1766: 1584: 1526: 37: 28: 14: 1851: 1126: 1027: 558:was a minor compound used in the 418:. Due to arsenic having the same 1628:. National Academies Press (US). 1602:Interface Science and Technology 1142:. National Academies Press (US). 871: 1741: 1715: 1665:10.1016/j.scitotenv.2004.10.029 1632: 1479: 1414: 1389: 1342: 1277: 1040:"Arsenate mineral | Britannica" 967:, inhibiting the conversion of 321:(at 25 °C , 100 kPa). 1492:Journal of Medicinal Chemistry 1252: 1227: 1209: 1146: 1100: 1057: 1001: 920:. Arsenate replaces inorganic 473:Arsenates occur naturally, in 311:Extremely toxic, carcinogenic 298:Occupational safety and health 1: 1794:10.1016/s0378-4274(02)00084-x 1451:Barton, C. (1 January 2014), 994: 599: 584:(CCA) has been a widely used 1422:"Cobaltous arsenate - CAMEO" 7: 1455:, in Wexler, Philip (ed.), 1217:"The mineralogy of Arsenic" 982: 938:1-arseno-3-phosphoglycerate 699:acid dissociation constants 24: 10: 1856: 1310:10.1038/s41598-021-90759-6 934:glyceraldehyde 3-phosphate 430:, arsenate shares similar 1554:10.1007/s11356-018-3595-5 956:is lost – arsenate is an 582:Chromated copper arsenate 394:. Arsenate is a moderate 315: 295: 290: 237: 217: 182: 66: 56: 51: 23: 1749:"How does arsenic kill?" 1014:pubchem.ncbi.nlm.nih.gov 855:dissolved oxygen content 645:), dihydrogen arsenate ( 1355:Studies in Conservation 954:1,3-bisphosphoglycerate 930:1,3-bisphosphoglycerate 904:Arsenate is harmful to 527: 371:to one oxygen atom and 661:), hydrogen arsenate ( 624: 538:lead hydrogen arsenate 481:form, in a variety of 470: 42: 33: 607: 465: 444:biochemical reactions 41: 32: 1840:Arsenic(V) compounds 1625:Chemistry of Arsenic 1139:Chemistry of Arsenic 1112:Chemistry LibreTexts 1066:"Arsenic and metals" 562:pigment used by the 381:tetrahedral geometry 1722:UCL (10 May 2022). 1657:2005ScTEn.345..207S 1504:10.1021/jm00295a053 1302:2021NatSR..1111296D 1179:10.1038/nature11517 1171:2012Natur.491..134E 851:reduction potential 619:waters have a high 404:electrode potential 375:to a further three 274: g·mol 20: 1782:Toxicology Letters 1728:UCL Earth Sciences 1453:"CCA-Treated Wood" 1290:Scientific Reports 1044:www.britannica.com 989:Category:Arsenates 946:3-phosphoglycerate 900:Arsenate poisoning 892:and rock, such as 625: 615:species in water. 471: 458:Natural occurrence 325:Infobox references 43: 34: 18: 1466:978-0-12-386455-0 1165:(7422): 134–137. 1114:. 2 December 2013 1079:978-92-832-2217-0 886:arsenic poisoning 627:Depending on the 586:wood preservative 564:ancient Egyptians 400:electron acceptor 333:Chemical compound 331: 330: 108:Interactive image 47: 46: 1847: 1814: 1813: 1773: 1764: 1763: 1761: 1759: 1745: 1739: 1738: 1736: 1734: 1719: 1713: 1712: 1710: 1708: 1694: 1685: 1684: 1651:(1–3): 207–217. 1636: 1630: 1629: 1619: 1613: 1612: 1611: 1609: 1593: 1582: 1581: 1548:(3): 2203–2227. 1533: 1524: 1523: 1483: 1477: 1476: 1475: 1473: 1448: 1437: 1436: 1434: 1432: 1418: 1412: 1411: 1409: 1407: 1393: 1387: 1386: 1346: 1340: 1339: 1329: 1281: 1275: 1274: 1272: 1270: 1256: 1250: 1249: 1247: 1245: 1239:www.fishersci.ca 1231: 1225: 1224: 1213: 1207: 1206: 1150: 1144: 1143: 1133: 1124: 1123: 1121: 1119: 1104: 1098: 1097: 1096: 1094: 1061: 1055: 1054: 1052: 1050: 1036: 1025: 1024: 1022: 1020: 1005: 884:and can lead to 880:in some natural 866:Pourbaix diagram 830: 827: 824: 818: 817: 814: 805: 804: 801: 785: 782: 776: 775: 772: 763: 762: 759: 739: 736: 730: 729: 726: 684: 683: 682: 679: 673:), or arsenate ( 672: 671: 670: 667: 660: 659: 658: 655: 644: 609:Pourbaix diagram 576:cobalt phosphate 548:Transition metal 523: 358: 357: 356: 353: 346:chemical formula 273: 260: 259: 258: 255: 245:Chemical formula 175: 155: 144: 130: 110: 86: 25: 21: 17: 1855: 1854: 1850: 1849: 1848: 1846: 1845: 1844: 1820: 1819: 1818: 1817: 1774: 1767: 1757: 1755: 1753:livescience.com 1747: 1746: 1742: 1732: 1730: 1720: 1716: 1706: 1704: 1696: 1695: 1688: 1637: 1633: 1620: 1616: 1607: 1605: 1594: 1585: 1534: 1527: 1484: 1480: 1471: 1469: 1467: 1449: 1440: 1430: 1428: 1420: 1419: 1415: 1405: 1403: 1397:"Cobalt violet" 1395: 1394: 1390: 1367:10.2307/1506784 1347: 1343: 1282: 1278: 1268: 1266: 1258: 1257: 1253: 1243: 1241: 1233: 1232: 1228: 1215: 1214: 1210: 1151: 1147: 1134: 1127: 1117: 1115: 1106: 1105: 1101: 1092: 1090: 1080: 1062: 1058: 1048: 1046: 1038: 1037: 1028: 1018: 1016: 1006: 1002: 997: 985: 975:, blocking the 924:in the step of 902: 874: 861:with a low pe. 844:phosphoric acid 837: 828: 825: 822: 815: 812: 811: 809: 802: 799: 798: 796: 792: 783: 780: 773: 770: 769: 767: 760: 757: 756: 754: 750: 746: 737: 734: 727: 724: 723: 721: 717: 713: 709: 705: 680: 677: 676: 674: 668: 665: 664: 662: 656: 653: 652: 650: 646: 643: 639: 635: 602: 556:Copper arsenate 532:Arsenate-based 530: 522: 518: 514: 510: 460: 365:oxidation state 354: 351: 350: 348: 334: 327: 322: 308: 271: 256: 253: 252: 250: 247: 233: 230: 225: 224: 213: 210: 209: 206: 200: 199: 196: 190: 189: 178: 158: 145: 133: 113: 100: 89: 76: 62: 12: 11: 5: 1853: 1843: 1842: 1837: 1832: 1816: 1815: 1765: 1740: 1714: 1686: 1631: 1614: 1583: 1525: 1498:(1): 159–161. 1478: 1465: 1438: 1413: 1388: 1361:(4): 237–249. 1341: 1276: 1251: 1226: 1208: 1145: 1125: 1099: 1078: 1056: 1026: 1010:"Arsenate ion" 999: 998: 996: 993: 992: 991: 984: 981: 936:. This yields 928:that produces 901: 898: 873: 870: 840: 839: 835: 820: 807: 794: 790: 778: 765: 752: 748: 744: 732: 719: 715: 711: 707: 648: 641: 637: 601: 598: 529: 526: 520: 516: 512: 459: 456: 332: 329: 328: 323: 319:standard state 316: 313: 312: 309: 306: 303: 302: 293: 292: 288: 287: 282: 280:Conjugate acid 276: 275: 269: 263: 262: 248: 243: 240: 239: 235: 234: 232: 231: 228: 220: 219: 218: 215: 214: 212: 211: 207: 204: 203: 201: 197: 194: 193: 185: 184: 183: 180: 179: 177: 176: 168: 166: 160: 159: 157: 156: 148: 146: 138: 135: 134: 132: 131: 123: 121: 115: 114: 112: 111: 103: 101: 94: 91: 90: 88: 87: 79: 77: 72: 69: 68: 64: 63: 60: 54: 53: 49: 48: 45: 44: 35: 9: 6: 4: 3: 2: 1852: 1841: 1838: 1836: 1833: 1831: 1828: 1827: 1825: 1811: 1807: 1803: 1799: 1795: 1791: 1787: 1783: 1779: 1772: 1770: 1754: 1750: 1744: 1729: 1725: 1718: 1703: 1699: 1693: 1691: 1682: 1678: 1674: 1670: 1666: 1662: 1658: 1654: 1650: 1646: 1642: 1635: 1627: 1626: 1618: 1603: 1599: 1592: 1590: 1588: 1579: 1575: 1571: 1567: 1563: 1559: 1555: 1551: 1547: 1543: 1539: 1532: 1530: 1521: 1517: 1513: 1509: 1505: 1501: 1497: 1493: 1489: 1482: 1468: 1462: 1458: 1454: 1447: 1445: 1443: 1427: 1426:cameo.mfa.org 1423: 1417: 1402: 1398: 1392: 1384: 1380: 1376: 1372: 1368: 1364: 1360: 1356: 1352: 1345: 1337: 1333: 1328: 1323: 1319: 1315: 1311: 1307: 1303: 1299: 1295: 1291: 1287: 1280: 1265: 1261: 1255: 1240: 1236: 1230: 1222: 1218: 1212: 1204: 1200: 1196: 1192: 1188: 1184: 1180: 1176: 1172: 1168: 1164: 1160: 1156: 1149: 1141: 1140: 1132: 1130: 1113: 1109: 1103: 1089: 1085: 1081: 1075: 1071: 1067: 1060: 1045: 1041: 1035: 1033: 1031: 1015: 1011: 1004: 1000: 990: 987: 986: 980: 978: 974: 970: 966: 961: 959: 955: 951: 947: 943: 939: 935: 931: 927: 923: 919: 915: 911: 907: 897: 895: 891: 887: 883: 882:water sources 879: 878:contamination 872:Contamination 869: 867: 862: 860: 859:anoxic waters 856: 852: 847: 845: 834: 795: 789: 749: 743: 704: 703: 702: 700: 696: 692: 689:. At a given 688: 634: 630: 622: 618: 614: 610: 606: 597: 595: 591: 587: 583: 579: 577: 573: 572:Cobalt violet 569: 565: 561: 560:Egyptian blue 557: 553: 549: 545: 543: 539: 535: 525: 508: 504: 500: 496: 492: 488: 484: 480: 476: 468: 464: 455: 453: 449: 445: 441: 437: 433: 429: 425: 424:atomic radius 421: 417: 413: 409: 405: 401: 397: 393: 388: 386: 382: 378: 374: 373:single bonded 370: 369:double bonded 366: 362: 347: 343: 339: 326: 320: 314: 310: 305: 304: 300: 299: 294: 289: 286: 283: 281: 278: 277: 270: 268: 265: 264: 249: 246: 242: 241: 236: 227: 226: 223: 216: 202: 192: 191: 188: 181: 174: 170: 169: 167: 165: 162: 161: 154: 150: 149: 147: 141: 137: 136: 129: 125: 124: 122: 120: 117: 116: 109: 105: 104: 102: 98: 93: 92: 85: 81: 80: 78: 75: 71: 70: 65: 59: 55: 50: 40: 36: 31: 27: 26: 22: 16: 1785: 1781: 1756:. Retrieved 1752: 1743: 1731:. Retrieved 1727: 1717: 1705:. Retrieved 1701: 1648: 1644: 1634: 1624: 1617: 1606:, retrieved 1601: 1545: 1541: 1495: 1491: 1481: 1470:, retrieved 1456: 1429:. Retrieved 1425: 1416: 1404:. Retrieved 1400: 1391: 1358: 1354: 1344: 1296:(1): 11296. 1293: 1289: 1279: 1267:. Retrieved 1263: 1254: 1242:. Retrieved 1238: 1229: 1220: 1211: 1162: 1158: 1148: 1138: 1116:. Retrieved 1111: 1102: 1091:, retrieved 1069: 1059: 1047:. Retrieved 1043: 1017:. Retrieved 1013: 1003: 962: 903: 875: 863: 848: 841: 832: 787: 741: 687:arsenic acid 633:arsenic acid 626: 580: 546: 531: 472: 422:and similar 389: 337: 335: 307:Main hazards 296: 285:Arsenic acid 67:Identifiers 15: 1788:(1): 1–16. 1702:www.who.int 1264:lead.org.au 977:Krebs cycle 965:lipoic acid 918:Krebs cycle 594:agriculture 590:residential 495:annabergite 363:atom, with 301:(OHS/OSH): 238:Properties 1824:Categories 1221:Mindat.org 995:References 973:acetyl-CoA 942:hydrolyzes 926:glycolysis 914:glycolysis 894:Bangladesh 617:Oxygenated 600:Speciation 534:pesticides 503:legrandite 436:reactivity 428:phosphorus 402:, with an 267:Molar mass 173:G1DBI405OK 119:ChemSpider 95:3D model ( 84:15584-04-0 74:CAS Number 58:IUPAC name 1835:Oxyanions 1830:Arsenates 1802:0378-4274 1698:"Arsenic" 1673:0048-9697 1562:1614-7499 1512:1520-4804 1401:ColourLex 1375:0039-3630 1318:2045-2322 1187:1476-4687 1008:PubChem. 958:uncoupler 922:phosphate 499:erythrite 479:anhydrous 452:organisms 440:phosphate 412:reduction 406:of +0.56 392:compounds 385:Resonance 344:with the 19:Arsenate 1810:12076506 1758:31 March 1733:15 April 1707:15 April 1681:15919540 1608:15 April 1578:53783178 1570:30474808 1472:10 April 1431:10 April 1406:10 April 1336:34050218 1203:99851438 1195:23034649 1118:29 March 1088:33979075 983:See also 969:pyruvate 916:and the 890:sediment 819:+ [H 777:+ [H 768:O ⇌ HAsO 731:+ [H 613:arsenite 552:pigments 536:such as 491:alarsite 483:minerals 475:hydrated 450:to most 432:geometry 416:arsenite 410:for its 396:oxidizer 338:arsenate 291:Hazards 61:Arsenate 1653:Bibcode 1520:5412102 1383:1506784 1327:8163881 1298:Bibcode 1269:2 April 1244:2 April 1167:Bibcode 1093:2 April 1049:2 April 1019:2 April 910:animals 838:= 11.5) 810:O ⇌ AsO 793:= 6.94) 747:= 2.19) 695:species 487:adamite 467:Adamite 446:and is 420:valency 398:and an 361:arsenic 272:138.918 261: 140:PubChem 1808:  1800:  1679:  1671:  1576:  1568:  1560:  1518:  1510:  1463:  1381:  1373:  1334:  1324:  1316:  1201:  1193:  1185:  1159:Nature 1086:  1076:  906:humans 829:  784:  738:  568:Romans 507:charge 377:oxygen 340:is an 222:SMILES 52:Names 1574:S2CID 1379:JSTOR 1199:S2CID 971:into 932:from 718:O ⇌ H 448:toxic 438:with 187:InChI 153:27401 128:25498 97:JSmol 1806:PMID 1798:ISSN 1760:2023 1735:2023 1709:2023 1677:PMID 1669:ISSN 1610:2023 1566:PMID 1558:ISSN 1516:PMID 1508:ISSN 1474:2023 1461:ISBN 1433:2023 1408:2023 1371:ISSN 1332:PMID 1314:ISSN 1271:2023 1246:2023 1191:PMID 1183:ISSN 1120:2023 1095:2023 1084:PMID 1074:ISBN 1051:2023 1021:2023 908:and 849:The 797:HAsO 663:HAsO 566:and 528:Uses 515:(AsO 501:and 477:and 434:and 367:+5, 336:The 229:()() 164:UNII 1790:doi 1786:133 1661:doi 1649:345 1550:doi 1500:doi 1363:doi 1322:PMC 1306:doi 1175:doi 1163:491 950:ATP 806:+ H 764:+ H 755:AsO 722:AsO 714:+ H 710:AsO 675:AsO 651:AsO 640:AsO 596:. 542:DDT 426:to 414:to 349:AsO 342:ion 251:AsO 143:CID 1826:: 1804:. 1796:. 1784:. 1780:. 1768:^ 1751:. 1726:. 1700:. 1689:^ 1675:. 1667:. 1659:. 1647:. 1643:. 1600:, 1586:^ 1572:. 1564:. 1556:. 1546:26 1544:. 1540:. 1528:^ 1514:. 1506:. 1496:13 1494:. 1490:. 1441:^ 1424:. 1399:. 1377:. 1369:. 1359:47 1357:. 1353:. 1330:. 1320:. 1312:. 1304:. 1294:11 1292:. 1288:. 1262:. 1237:. 1219:. 1197:. 1189:. 1181:. 1173:. 1161:. 1157:. 1128:^ 1110:. 1082:, 1068:, 1042:. 1029:^ 1012:. 864:A 836:a3 831:(p 823:O] 813:3− 800:2− 791:a2 786:(p 781:O] 771:2− 745:a1 740:(p 735:O] 701:. 691:pH 678:3− 666:2− 629:pH 621:pe 578:. 570:. 554:. 524:. 511:Zn 497:, 493:, 489:, 454:. 383:. 352:3− 254:3− 1812:. 1792:: 1762:. 1737:. 1711:. 1683:. 1663:: 1655:: 1580:. 1552:: 1522:. 1502:: 1435:. 1410:. 1385:. 1365:: 1338:. 1308:: 1300:: 1273:. 1248:. 1223:. 1205:. 1177:: 1169:: 1122:. 1053:. 1023:. 833:K 826:H 821:3 816:4 808:2 803:4 788:K 779:3 774:4 766:2 761:4 758:− 753:2 751:H 742:K 733:3 728:4 725:− 720:2 716:2 712:4 708:3 706:H 681:4 669:4 657:4 654:− 649:2 647:H 642:4 638:3 636:H 521:2 519:) 517:4 513:3 408:V 355:4 257:4 99:)

Index



IUPAC name
CAS Number
15584-04-0
JSmol
Interactive image
ChemSpider
25498
PubChem
27401
UNII
G1DBI405OK
InChI
SMILES
Chemical formula
Molar mass
Conjugate acid
Arsenic acid
Occupational safety and health
standard state
Infobox references
ion
chemical formula
arsenic
oxidation state
double bonded
single bonded
oxygen
tetrahedral geometry

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