共 50 条
- [27] SPECTROCHEMICAL DETERMINATION OF MICROGRAM AND SUBMICROGRAM AMOUNTS OF BERYLLIUM IN AIR DUST SPECTROCHIMICA ACTA, 1962, 18 (06): : 868 - 868
- [28] INFRARED ANALYSIS OF SUBMICROGRAM AMOUNTS FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1974, 268 (03): : 197 - 202
- [29] COULOMETRIC DETERMINATION OF MICROGRAM AMOUNTS OF WATER IN SILICONE COMPOUNDS FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1972, 258 (01): : 25 - &
- [30] COULOMETRIC FISCHER,KARL DETERMINATION OF TRACE AMOUNTS OF WATER JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1986, 41 (01): : 46 - 50