214:
102:
832:
A certain amount of univalent ions provides the same amount of equivalents while the same amount of divalent ions provides twice the amount of equivalents. For example, 1 mmol (0.001 mol) of Na is equal to 1 meq, while 1 mmol of Ca is equal to 2 meq.
299:
242:
956:
107:
209:{\displaystyle {\begin{aligned}{\text{mg}}\to {\text{mEq}}&:\quad {\text{mg }}\times {\frac {V}{MW}}\\{\text{mEq}}\to {\text{mg}}&:\quad {\text{mEq }}\times {\frac {MW}{V}}\end{aligned}}}
924:
1056:
1001:
972:
1061:
945:
773:
In biological systems, reactions often happen on small scales, involving small amounts of substances, so those substances are routinely described in terms of
903:
1024:
1105:
1006:
1015:
294:{\displaystyle {\text{mg}}\to {\text{mEq}}:\quad {\frac {\text{element mass }}{\text{mass fraction}}}\times {\frac {V}{MV}}}
1086:
31:
691:
1110:
793:
denoting a factor of one thousandth (10). Very often, the measure is used in terms of milliequivalents of
753:, holds that an equivalent is the amount of a substance that will react with 1 g (0.035 oz) of
1031:
1019:
806:
708:
The "hydrogen ion" and the "electron" in these examples are respectively called the "reaction units."
802:
716:
720:
613:
430:
221:
70:
463:
Liquid potassium citrate/gluconate therapy for adults and teenagers taken two to four times a day
418:
Liquid potassium citrate/gluconate therapy for adults and teenagers taken two to four times a day
236:
50:
1011:
814:
558:
381:
84:
75:
62:
986:
750:
229:
946:"Proposed maximum levels for the addition of potassium to foods including food supplements"
1090:
1066:
850:
701:
1099:
982:
683:
977:
679:
58:
1083:
904:"Potassium Supplement (Oral Route, Parenteral Route) Proper Use - Mayo Clinic"
96:
981:, 2nd ed. (the "Gold Book") (1997). Online corrected version: (2006–) "
990:
818:
523:
352:
66:
762:
754:
697:
27:
Amount of substance needed to fully react with a given amount of another
925:"Potassium - assessment of suggestd maximum limits in food supplements"
794:
790:
758:
17:
878:
826:
822:
798:
674:
is the amount of a substance needed to do one of the following:
80:
1010:(definitive rules 1997, 3rd. ed.). Oxford: Blackwell Science.
719:
is equal to the number of moles of that ion multiplied by its
712:
813:). This is especially common for measurement of compounds in
877:
American
Medical Association, "14.12: Units of Measure",
711:
By this definition, the number of equivalents of a given
898:
896:
99:(mg) to milli-equivalent (mEq) and back is as follows:
245:
105:
872:
870:
1025:"Chapter 6 - 3: The use of the equivalence concept"
293:
208:
1002:International Union of Pure and Applied Chemistry
723:. For example, consider a solution of 1 mole of
649:Tolerable DRI for potassium dietary supplements
598:Tolerable DRI for potassium dietary supplements
940:
938:
65:. It is an archaic quantity that was used in
8:
953:German Federal Institute for Risk Assessment
1062:Grand dictionnaire universel du XIXe siècle
851:"CAS Standard Abbreviations & Acronyms"
829:is defined between 3.5 and 5.0 mEq/L.
749:An earlier definition, used especially for
480:
312:
765:—or that will displace any of the three.
276:
263:
254:
246:
244:
187:
179:
166:
158:
139:
131:
118:
110:
106:
104:
919:
917:
730:
629:
625:
621:
578:
574:
570:
566:
446:
442:
438:
401:
397:
393:
389:
842:
57:to) an arbitrary amount (typically one
1007:Compendium of Analytical Nomenclature
817:; for instance, the healthy level of
734:. The solution has 1 mole or 1 equiv
7:
1084:A dictionary of units of measurement
761:, or 35.5 g (1.25 oz) of
76:Equivalent weight § In history
978:Compendium of Chemical Terminology
61:) of another substance in a given
25:
1065:(in French), vol. 1, Paris:
696:react with or supply one mole of
670:In a more formal definition, the
518:Compound weight to elemental mEq
347:Elemental mEq to compound weight
962:from the original on 2022-12-12.
262:
178:
130:
83:of an equivalent is called its
251:
163:
115:
1:
757:, 8 g (0.28 oz) of
1106:Units of amount of substance
769:In medicine and biochemistry
1127:
32:Electrochemical equivalent
29:
781:; unofficially but often
678:react with or supply one
506:
499:
496:
489:
486:
483:
335:
328:
321:
318:
315:
45:; unofficially but often
742:, and 3 mole or 3 equiv
497:Elemental mass fraction
53:that reacts with (or is
30:Not to be confused with
1069:, 1866, pp. 868–73
991:10.1351/goldbook.E02192
656:17975*1/234.245=77 mEq
295:
210:
605:8296*3/324.41=77 mEq
550:3000*1/39.098=77 mEq
470:20*234.245/1=4685 mg
296:
211:
49:) is the amount of a
777:(symbol: officially
738:, 1 mole or 2 equiv
602:8.3 g (3000/0.3616)
243:
103:
41:(symbol: officially
931:. 16 December 2016.
880:AMA Manual of Style
653:18 g (3000/0.1669)
614:Potassium gluconate
431:Potassium gluconate
376:20*39.098/1=782 mg
237:elemental compounds
71:biological sciences
1089:2018-10-06 at the
908:www.mayoclinic.org
692:acid–base reaction
490:Molecular weight (
322:Molecular weight (
291:
206:
204:
983:equivalent entity
815:biological fluids
751:chemical elements
666:Formal definition
663:
662:
650:
599:
559:Potassium citrate
487:Chemical formula
474:
473:
467:20 mEq potassium
464:
425:20*324/3=2160 mg
422:20 mEq potassium
419:
382:Potassium citrate
373:20 mEq potassium
319:Chemical formula
289:
271:
270:
267:
257:
249:
200:
182:
169:
161:
152:
134:
121:
113:
95:The formula from
85:equivalent weight
63:chemical reaction
16:(Redirected from
1118:
1071:
1070:
1052:
1046:
1045:
1043:
1042:
1037:on July 26, 2011
1036:
1030:. Archived from
1029:
1020:section 6.3
999:
993:
970:
964:
963:
961:
950:
942:
933:
932:
921:
912:
911:
900:
891:
890:
888:
887:
874:
865:
864:
862:
861:
847:
812:
775:milliequivalents
745:
741:
737:
733:
726:
689:
659:
648:
644:
632:
608:
597:
593:
581:
553:
541:
503:
493:
481:
477:Milligram to mEq
462:
458:
449:
417:
413:
404:
367:
332:
325:
313:
309:mEq to milligram
300:
298:
297:
292:
290:
288:
277:
272:
268:
265:
264:
258:
255:
250:
247:
230:molecular weight
227:
219:
215:
213:
212:
207:
205:
201:
196:
188:
183:
180:
170:
167:
162:
159:
153:
151:
140:
135:
132:
122:
119:
114:
111:
21:
1126:
1125:
1121:
1120:
1119:
1117:
1116:
1115:
1096:
1095:
1091:Wayback Machine
1080:
1075:
1074:
1067:Pierre Larousse
1054:
1053:
1049:
1040:
1038:
1034:
1027:
1023:
1000:
996:
971:
967:
959:
948:
944:
943:
936:
923:
922:
915:
902:
901:
894:
885:
883:
876:
875:
868:
859:
857:
849:
848:
844:
839:
810:
771:
743:
739:
735:
732:
728:
724:
687:
668:
657:
642:
631:
627:
623:
619:
606:
591:
580:
576:
572:
568:
564:
551:
539:
501:
491:
479:
456:
448:
444:
440:
436:
411:
403:
399:
395:
391:
387:
365:
330:
323:
311:
306:
304:Common examples
281:
241:
240:
225:
217:
203:
202:
189:
171:
155:
154:
144:
123:
101:
100:
93:
35:
28:
23:
22:
15:
12:
11:
5:
1124:
1122:
1114:
1113:
1108:
1098:
1097:
1094:
1093:
1079:
1078:External links
1076:
1073:
1072:
1047:
994:
965:
934:
913:
892:
866:
841:
840:
838:
835:
789:), the prefix
770:
767:
727:and 1 mole of
706:
705:
702:redox reaction
694:
667:
664:
661:
660:
654:
651:
646:
639:
636:
635:234.245 g/mol
633:
617:
610:
609:
603:
600:
595:
588:
585:
582:
562:
555:
554:
548:
545:
543:
536:
533:
530:
527:
520:
519:
516:
513:
509:
508:
505:
498:
495:
488:
485:
478:
475:
472:
471:
468:
465:
460:
453:
452:234.245 g/mol
450:
434:
427:
426:
423:
420:
415:
408:
405:
385:
378:
377:
374:
371:
369:
362:
359:
356:
349:
348:
345:
344:Elemental mEq
342:
338:
337:
334:
327:
320:
317:
310:
307:
305:
302:
287:
284:
280:
275:
261:
253:
199:
195:
192:
186:
177:
174:
172:
165:
157:
156:
150:
147:
143:
138:
129:
126:
124:
117:
109:
108:
92:
89:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
1123:
1112:
1111:Stoichiometry
1109:
1107:
1104:
1103:
1101:
1092:
1088:
1085:
1082:
1081:
1077:
1068:
1064:
1063:
1058:
1051:
1048:
1033:
1026:
1021:
1017:
1013:
1009:
1008:
1003:
998:
995:
992:
988:
984:
980:
979:
974:
969:
966:
958:
954:
947:
941:
939:
935:
930:
926:
920:
918:
914:
909:
905:
899:
897:
893:
882:
881:
873:
871:
867:
856:
852:
846:
843:
836:
834:
830:
828:
824:
820:
816:
808:
804:
800:
796:
792:
788:
784:
780:
776:
768:
766:
764:
760:
756:
752:
747:
722:
718:
714:
709:
703:
699:
695:
693:
685:
684:hydrogen ions
681:
677:
676:
675:
673:
665:
655:
652:
647:
640:
637:
634:
618:
615:
612:
611:
604:
601:
596:
589:
586:
584:324.41 g/mol
583:
563:
560:
557:
556:
549:
546:
544:
537:
534:
532:39.098 g/mol
531:
528:
525:
522:
521:
517:
514:
511:
510:
482:
476:
469:
466:
461:
454:
451:
435:
432:
429:
428:
424:
421:
416:
409:
407:324.41 g/mol
406:
386:
383:
380:
379:
375:
372:
370:
363:
361:39.098 g/mol
360:
357:
354:
351:
350:
346:
343:
340:
339:
314:
308:
303:
301:
285:
282:
278:
273:
269:mass fraction
266:element mass
259:
238:
233:
231:
223:
197:
193:
190:
184:
175:
173:
148:
145:
141:
136:
127:
125:
98:
90:
88:
86:
82:
78:
77:
72:
68:
64:
60:
56:
52:
48:
44:
40:
33:
19:
1060:
1050:
1039:. Retrieved
1032:the original
1016:0-86542-6155
1005:
997:
976:
968:
952:
928:
907:
884:, retrieved
879:
858:. Retrieved
854:
845:
831:
786:
782:
778:
774:
772:
748:
710:
707:
671:
669:
616:(anhydrous)
561:monohydrate
526:(reference)
433:(anhydrous)
384:monohydrate
355:(reference)
234:
94:
74:
54:
46:
42:
38:
36:
855:www.cas.org
807:milliNormal
500:Valencies (
329:Valencies (
1100:Categories
1041:2009-05-10
929:VKM Report
886:2019-10-23
860:2017-07-26
837:References
811:meq/L = mN
672:equivalent
512:Reference
341:Reference
97:milligrams
55:equivalent
39:equivalent
819:potassium
698:electrons
524:Potassium
484:Compound
353:Potassium
316:Compound
274:×
252:→
185:×
181:mEq
164:→
137:×
116:→
67:chemistry
51:substance
1087:Archived
1004:(1998).
957:Archived
809:, where
803:solution
763:chlorine
755:hydrogen
717:solution
690:) in an
547:3000 mg
133:mg
69:and the
821:in the
721:valence
638:16.69%
587:36.16%
515:Weight
507:Sample
336:Sample
228:is the
222:valence
220:is the
91:Formula
79:). The
1014:
795:solute
791:milli-
779:mequiv
759:oxygen
216:where
1057:Atome
1035:(PDF)
1028:(PDF)
973:IUPAC
960:(PDF)
949:(PDF)
827:human
825:of a
823:blood
799:litre
715:in a
700:in a
535:100%
73:(see
43:equiv
18:MEq/L
1012:ISBN
805:(or
797:per
729:CaCl
725:NaCl
680:mole
235:For
224:and
81:mass
59:mole
1059:",
987:doi
985:".
801:of
787:meq
785:or
783:mEq
713:ion
682:of
641:1 (
590:3 (
538:1 (
455:1 (
410:3 (
364:1 (
256:mEq
239::
160:mEq
120:mEq
37:An
1102::
1022:.
1018:.
975:,
955:.
951:.
937:^
927:.
916:^
906:.
895:^
869:^
853:.
746:.
744:Cl
740:Ca
736:Na
645:)
628:KO
626:11
594:)
542:)
529:K
504:)
494:)
492:MW
459:)
445:KO
443:11
414:)
368:)
358:K
333:)
326:)
324:MW
248:mg
232:.
226:MW
168:mg
112:mg
87:.
47:Eq
1055:"
1044:.
989::
910:.
889:.
863:.
731:2
704:.
688:H
686:(
658:K
643:K
630:7
624:H
622:6
620:C
607:K
592:K
579:8
577:O
575:3
573:K
571:7
569:H
567:6
565:C
552:K
540:K
502:V
457:K
447:7
441:H
439:6
437:C
412:K
402:8
400:O
398:3
396:K
394:7
392:H
390:6
388:C
366:K
331:V
286:V
283:M
279:V
260::
218:V
198:V
194:W
191:M
176::
149:W
146:M
142:V
128::
34:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.