共 8 条
[2]
Spectrophotometric method for the determination of ascorbic acid with iron (III)-1,10-phenanthroline after preconcentration on an organic solvent-soluble membrane filter
[J].
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY,
1996, 355 (01)
:94-95
[3]
Gu XX, 1996, ANAL LETT, V29, P463, DOI 10.1080/00032719608000411
[4]
HOWELL JA, 1994, ANAL CHEM, V66, pR445
[6]
KOTSAJI K, 1977, BUNSEKI KAGAKU, V26, P475
[7]
Determination of trace chromium(VI) in water by graphite furnace atomic absorption spectrophotometry after preconcentration on a soluble membrane filter
[J].
FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY,
1997, 358 (04)
:519-522