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Revealing undergraduate biology students' conception of variability and error bars within graphing. [PDF]
Stoczynski L +6 more
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Comprehensive performance evaluation of four chemiluminescence immunoassays for detecting vitamin D deficiency across diverse clinical conditions. [PDF]
AlHamad T +12 more
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Essential minerals in colostrum of preterm and full-term Ghanaian mothers and related maternal factors. [PDF]
Jonathan JWA +9 more
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Journal of Chemical Education, 1990
Students identify unknowns by determining Rf's and applying color reagents to the chromatograms.
Michael O. Hurst, D. Keith Cobb
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Students identify unknowns by determining Rf's and applying color reagents to the chromatograms.
Michael O. Hurst, D. Keith Cobb
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A Dictionary of Chemistry and the Allied Branches of other Sciences
Nature, 1875THE appearance of the second supplement to Watts' “Dictionary of Chemistry” is an event in the history of chemical literature which will certainly be elcomed by all English chemists. Although it may be said with truth that no great generalisations have been made of late years in chemistry, the science is nevertheless advancing with gigantic strides so ...
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