Certified Reference Materials - Chemmea sro
Certified Reference Materials - Chemmea sro
Certified Reference Materials - Chemmea sro
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BRITISH CHEMICAL STANDARD CERTIFIED REFERENCE AND REFERENCE MATERIALS - Soda Ash, High Purity Metals, Ceramic <strong>Materials</strong> and Benzoic Acids<br />
Although the High Purity Metals, Ceramic <strong>Materials</strong> and Benzoic Acid samples below have been carefully analysed by both BAS Ltd. and an independent laboratory,<br />
they have been classified as RMs and not CRMs in order to distinguish them from BAS CRMs which are normally analysed by at least five laboratories.<br />
CHEMICAL COMPOSITION (nominal mass content in %)<br />
Soda Ash <strong>Certified</strong> <strong>Reference</strong> Material (Finely divided material - units of 100g)<br />
BCS-RM<br />
No.<br />
Description Na 2 CO 3 NaCl Fe 2 O 3 Na 2 SO 4 Insoluble Residue<br />
526 Soda Ash (SGT Soda Ash 1) 99.74 0.126 0.0005 0.008