When is vitamin a not stable
Department of Health and Human Services. The chemical substance of reference of ascorbic acid purity: The reagents hydrogen peroxide PA, hydrochloric acid, sodium 1-hexanesulfonate, methanol and glacial acetic acid spectrophotometric grad were purchased from Merck Darmstadt, Germany. J Natl Cancer Inst ; 78 : 95 — Table 3 ii and Figure 2 show similar results… Read More »