多聚鎢酸鈉 型號(hào):BS32-71913(100g)品名多聚鎢酸鈉http://www. netchina.net中西集團(tuán)Sodium polytungstatehttp://www. netchina.netpurum p.a., for the preparation of heavy liquid, for sink-float analysis, ≥85% as WO3Synonym: hexa-Sodium tungstate (W12)Sodium metatungstateMolecular Formula:3Na2WO4 · 9WO3 · H2OMolecular Weight:2986.01CAS Number:12141-67-2DescriptionsOther Notes: A new medium for density-gradient centrifugation, the density can be adjusted to up to 3.1 g/ml1Propertiesgrade: for sink-float analysispurum p.a.assay: ≥85% as WO3quality: for the preparation of heavy liquiddensity: 3.1 g/cm3 at 20 °C (saturate