Hexafluorosilicate de sodium à usage industriel — Détermination de la perte de masse à 105 degrés C

Applicable to the determination of losses equal to or more than 0.008 % (m/m). The principle consists in drying of a test portion at (105 1) °C for 6 h. The dried test portion is retained for the other determinations given in the annex. Has also been approved by the IUPAC.