(Sodium Potassium Tartrate) KNaC4H4O6·4H2O F.W. 282.22 CAS #6381-59-5 Assay 99.0-102.0% Water 21.0-27.0% Used with bismuth subnitrate for staining polysaccharides, including glycogen without oxidizing agents. Shinji, Y., et al (1975). A new electron microscopic histo-cyto chemical…