{"title":"SYNTHESIS OF NOVEL MANGANESE PHOSPHATE VIOLET PIGMENT","authors":"H. Onoda, S. Kanai","doi":"10.3363/prb.36.23","DOIUrl":null,"url":null,"abstract":": Novel violet pigments were synthesized from manganese oxide and phosphoric acid by heating at several temperatures. The obtained materials were investigated by X-ray diffraction analysis (XRD), infrared spectroscopy, X-ray photoelectron spectroscopy, ultraviolet–visible reflectance spectroscopy, and L*a*b* color space. Samples synthesized in this study did not show the XRD peak pattern for certain compounds. At P/Mn = 2/3 and 1/1, samples heated at 500 °C showed high a* value and low b* value, corresponding to violet color. On the other hand, at P/Mn = 2/1, the sample heated at 400 °C had the most violet powder.","PeriodicalId":20022,"journal":{"name":"Phosphorus Research Bulletin","volume":"142 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2020-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Phosphorus Research Bulletin","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3363/prb.36.23","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
: Novel violet pigments were synthesized from manganese oxide and phosphoric acid by heating at several temperatures. The obtained materials were investigated by X-ray diffraction analysis (XRD), infrared spectroscopy, X-ray photoelectron spectroscopy, ultraviolet–visible reflectance spectroscopy, and L*a*b* color space. Samples synthesized in this study did not show the XRD peak pattern for certain compounds. At P/Mn = 2/3 and 1/1, samples heated at 500 °C showed high a* value and low b* value, corresponding to violet color. On the other hand, at P/Mn = 2/1, the sample heated at 400 °C had the most violet powder.
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