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Table 3 (continued)
CGL
code
Description Designation Certified value
Confidence
interval ( ∆ х)
W Tungsten mg/kg mg/kg
CGL 008 Granite MGT-1 0.56 0.05
CGL 007 Basalt MBL-1 1.15 0.05
CGL 126 Rare-earth ore TRHB 88 9
CGL 120 Gold-bearing complex ore AHMH-1 0.01% 0.001%
CGL 011 Diorite MDR 266 26
CGL 112 Tungsten-molybdenum ore WMo
2 0.41%
2 0.03%
2 certified value by oxide (WO 3 )
Y Yttrium mg/kg mg/kg
CGL 012 Gabbro MGR-T 5.14 0.32
CGL 009 Andesite MGL-AND 11.8 0.8*
CGL 010 Zeolite, spiked MGL-ZEO-S 18.6 0.9*
CGL 007 Basalt MBL-1 20.48 0.48
CGL 006 Nepheline syenite LNS 23 4
CGL 011 Diorite MDR 23.62 1.15
CGL 008 Granite MGT-1 25.19 0.77
CGL 124 Rare-earth ore TRLK 167 20
CGL 111 Rare-earth ore TRM-2 959 40
CGL 126 Rare-earth ore TRHB 1102 68
Yb Ytterbium mg/kg mg/kg
CGL 009 Andesite MGL-AND 1.00 0.05*
CGL 007 Basalt MBL-1 1.34 0.02
CGL 011 Diorite MDR 2.05 0.10
CGL 008 Granite MGT-1 2.36 0.10
CGL 002 Alkaline granite MGL-OShBO 2.38 0.13*
CGL 124 Rare-earth ore TRLK 17.85 1.92
CGL 111 Rare-earth ore TRM-2 54.52 5.24
CGL 126 Rare-earth ore TRHB 123 27
*-measurement uncertainty
60