共 28 条
[2]
ASHRAF M, 1960, PAKISTAN J SCI IND R, V12, P103
[3]
ASHRAF M, 1960, PAKISTAN J SCI IND R, V3, P1
[4]
SUBMICRO-METHODS FOR THE ANALYSIS OF ORGANIC COMPOUNDS .1. THE DETERMINATION OF NITROGEN
[J].
JOURNAL OF THE CHEMICAL SOCIETY,
1957, (OCT)
:4323-4328
[5]
BELCHER R., 1956, Mikrochimica Acta, P1183, DOI 10.1007/BF01257452
[6]
REIHENBESTIMMUNGEN VON STICKSTOFF IM ULTRAMIKROMASSSTAB - KJELDAHLVERACHUNG UND PHENOL-HYPOCHLORIT-REAKTION
[J].
HOPPE-SEYLERS ZEITSCHRIFT FUR PHYSIOLOGISCHE CHEMIE,
1967, 348 (01)
:100-&
[7]
Haanappel Th. A. G., 1938, PHARM WEEKBLAD, V75, P570
[9]
HERRMANN F, 1911, CHEM ZTG, V35, P25