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Table 3 (continued)<br />

CGL<br />

code<br />

Description Designation Certified value<br />

Confidence<br />

interval ( ∆ х)<br />

Pr Praseodymium mg/kg mg/kg<br />

CGL 008 Granite MGT-1 7.27 0.18<br />

CGL 007 Basalt MBL-1 11.90 0.24<br />

CGL 126 Rare-earth ore TRHB 122 10<br />

CGL 124 Rare-earth ore TRLK 0.23% 0.03%<br />

CGL 111 Rare-earth ore TRM-2 0.28% 0.03%<br />

Rb Rubidium mg/kg mg/kg<br />

CGL 012 Gabbro MGR-T 6.58 2.76<br />

CGL 111 Rare-earth ore TRM-2 43 10<br />

CGL 011 Diorite MDR 48.5 4.49<br />

CGL 009 Andesite MGL-AND 49.7 1.2*<br />

CGL 007 Basalt MBL-1 63.05 0.98<br />

CGL 124 Rare-earth ore TRLK 67.12 3.91<br />

CGL 103 Copper-molybdenum ore CuMo 81 8<br />

CGL 010 Zeolite, spiked MGL-ZEO-S 106 3*<br />

CGL 003 Graphite BJBCh 0.014% 0.002%<br />

CGL 006 Nepheline syenite LNS 207 16<br />

CGL 008 Granite MGT-1 275 3.35<br />

CGL 126 Rare-earth ore TRHB 641 51<br />

CGL 112 Tungsten-molybdenum WМо 0.106% 0.007%<br />

ore<br />

CGL 002 Alkaline granite MGL-OShBO 2360 110*<br />

Re Rhenium % %<br />

CGL 202 Molybdenum<br />

МоB 0.05 0.006<br />

concentrate<br />

*-measurement uncertainty<br />

53

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