"cas no: 16919-19-0;Ammonium Fluorosilicate; Cryptophthalite; Silicon Plasma Standards; Silicate(2-), Hexafluoro-, Diammonium; Ammonium Hexafluorosilicate; Ammonium hexafluorosilicate; Diammonium hexafluorosilicate; Diammonium silicon hexafluoride; 

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