共 50 条
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- [25] COLORIMETRIC DETERMINATION OF MORPHOLINE IN PRESENCE OF HYDRAZINE MATERIALS RESEARCH AND STANDARDS, 1967, 7 (02): : 57 - &
- [28] Colorimetric determination of manganese in the presence of titanium INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1935, 7 : 0408 - 0409