Burnt refractory, 75 g (NIST78A)

SRM 78A_cert SRM 78A_SDS Reference/Informational value is provided for the following analytes. Silicon dioxide (SiO₂), Aluminum Oxide (Al₂O₃), Iron(III) oxide (Fe₂O₃), Titanium dioxide (TiO₂), Magnesium oxide (MgO), Calcium oxide (CaO), Potassium oxide (K₂O), Sodium oxide (NaO₂), Phosphorus pentoxide (P₂O₅), Lithium oxide (LiO₂), Strontium oxide (SrO) See certificate for values and more details at nist.gov/SRM.

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