Certified Reference Materials - Chemmea sro
Certified Reference Materials - Chemmea sro
Certified Reference Materials - Chemmea sro
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BRITISH CHEMICAL STANDARD CERTIFIED REFERENCE MATERIALS - Ceramic <strong>Materials</strong> and Minerals<br />
CHEMICAL COMPOSITION (nominal mass content in %) - Figures in bold type certified, figures in small italic type only approximate.<br />
Ceramic <strong>Materials</strong> & Minerals (Finely divided material - units of 100g)<br />
BCS-CRM ECRM<br />
No. No.<br />
Description SiO 2 Al 2 O 3 TiO 2 Fe 2 O 3 MnO Mn 3 O 4 CaO MgO Na 2 O K 2 O BaO Cr 2 O 3 PbO ZnO<br />
309 ... Sillimanite 34.1 61.1 1.92 1.51 0.03 ... 0.22 0.17 0.34 0.46 0.006 ... ... ...<br />
313/2 ... High Purity Silica 99.73 0.068 0.0243 0.0229 0.00032 ... 0.0160 0.0037 0.0058 0.0108 0.00067 ... ... 0.0014<br />
319/1 ... Magnesia 1.093 0.109 0.0070 0.291 0.108 ... 3.00 95.38 ... ... 0.0038 0.0035 ... ...<br />
348 ... Ball Clay 51.1 31.6 1.08 1.04 ... ... 0.17 0.30 0.34 2.23 0.04 0.016 ... ...<br />
358 ... Zirconia 0.20 0.08 0.20 0.064 ... ... 1.50 3.42
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