共 50 条
- [42] A RAPID TITRIMETRIC METHOD FOR DETERMINATION OF SULFATE ION IN PHOSPHORIC ACID USING INDICATOR NITROCHROMAZO INDUSTRIAL LABORATORY, 1966, 32 (05): : 634 - &
- [43] A MORE RAPID METHOD FOR THE DETERMINATION OF SELENIUM IN THE MATERIALS ENCOUNTERED IN SULFURIC ACID PRODUCTION INDUSTRIAL LABORATORY, 1958, 24 (09): : 1183 - 1185
- [45] A colorimetric method for the determination of tartaric acid INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1933, 5 : 19 - 20
- [46] A colorimetric method for the determination of ascorbic acid INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1938, 10 : 0420 - 0423
- [48] SEPARATION AND DETERMINATION OF GERMANIUM WITH STRONG PHOSPHORIC-ACID DISTILLATION FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1985, 320 (08): : 773 - 774
- [50] The determination of phosphoric acid by the Official Volumetric Method JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY-US, 1910, 2 : 157 - 158