Zobrazeno 1 - 10
of 14
pro vyhledávání: '"James M. Pappenhagen"'
Autor:
Jerome J. Looker, James M. Pappenhagen
Publikováno v:
Journal - American Water Works Association. 51:1039-1045
Because there has been a widespread acceptance of the use of nessler reagent for the determination of ammonia, it was suggested that this reagent be studied for possible use in the determination of nitrates following reduction by the alkaline ferrous
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da138f8d8137773d430a5903d1d4fa93
https://doi.org/10.1002/j.1551-8833.1959.tb21200.x
https://doi.org/10.1002/j.1551-8833.1959.tb21200.x
Autor:
James M. Pappenhagen
Publikováno v:
Journal of Chemical Education. 43:56
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03503f8d78f5b3baa783ae49e243a995
https://doi.org/10.1021/ed043p56.2
https://doi.org/10.1021/ed043p56.2
Autor:
James M. Pappenhagen
Publikováno v:
Journal of Chemical Education. 38:104
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f08efa4051e6a70cd70e542f45d6cd7f
https://doi.org/10.1021/ed038p104.1
https://doi.org/10.1021/ed038p104.1
Autor:
James M. Pappenhagen
Publikováno v:
Journal of Chemical Education. 36:A106
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::742e51774c64a5cd7293a72d10933a44
https://doi.org/10.1021/ed036pa106.1
https://doi.org/10.1021/ed036pa106.1
Autor:
James M. Pappenhagen
Publikováno v:
Journal of Chemical Education. 36:A644
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3a3783c3385f3f51e855718bad5f33a
https://doi.org/10.1021/ed036pa644.2
https://doi.org/10.1021/ed036pa644.2
Autor:
James M. Pappenhagen
Publikováno v:
Journal of Chemical Education. 38:A114
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd54512effad713614ac9ad32771d972
https://doi.org/10.1021/ed038pa114
https://doi.org/10.1021/ed038pa114
Autor:
James M. Pappenhagen
Publikováno v:
Journal of Chemical Education. 34:A354
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0bf3fd8f10dfecf255fe3ff8ee2b09b8
https://doi.org/10.1021/ed034pa354.1
https://doi.org/10.1021/ed034pa354.1
Autor:
James M. Pappenhagen
Publikováno v:
Journal of Chemical Education. 35:A622
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::158b4699d47055e01ca2bf8dfa34ba54
https://doi.org/10.1021/ed035pa622.1
https://doi.org/10.1021/ed035pa622.1
Autor:
James M. Pappenhagen
Publikováno v:
Journal of Chemical Education. 35:215
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::280443c6dc20aeaa8d1f1fad3b8b3b75
https://doi.org/10.1021/ed035p215.2
https://doi.org/10.1021/ed035p215.2
Autor:
James M. Pappenhagen
Publikováno v:
Journal of Chemical Education. 36:422
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3565f9ba1067235aee7bb575fc433f08
https://doi.org/10.1021/ed036p422.1
https://doi.org/10.1021/ed036p422.1