Reference Materials

Reference Materials

These are derived from the IAG’s long running GeoPT interlaboratory proficiency testing programme for the analysis of silicate rocks and other environmental materials. While not meeting absolutely all the criteria of a CRM, the assigned values for these materials are supported by a huge amount of information which is provided in detailed reports on each material.

Purchase Code Name Material Certificate *Price
QC-1 G-94 Threlkeld microgranite G-94 data sheet 100 GBP
QC-2 OU-1 Bardon volcanic tuff GeoPT 2 report 100 GBP
QC-4 OU-2 Belford dolerite OU-2 data sheet 100 GBP
QC-6 OU-3 Nanhoron microgranite OU-3 data sheet 100 GBP
QC-8 OU-4 Penmaenmawr microdiorite OU-4 data sheet 100 GBP
QC-11 OU-5 Leaton dolerite OU-5 data sheet 100 GBP
QC-13 UoK Koeln loess UoK data sheet 100 GBP
QC-17 OU-8 Calcareous sandstone GeoPT 17 report 100 GBP
QC-23 OU-9 Separation Lake pegmatite OU-9 data sheet 100 GBP
QC-23A FeMn-1 Manganese nodule GeoPT 23 report 100 GBP
QC-24 OU-10 Longmyndian greywacke OU-10 data sheet 100 GBP
QC-26 OPC-1 Ordinary Portland cement OPC-1 data sheet 100 GBP
QC-33 DBC-1 Ball clay DBC-1 data sheet 100 GBP
QC-38 OU-7 Ardnamurchan gabbro OU-7 data sheet 100 GBP
SdAR-L2 SdAR-L2 Blended sediment SdAR-L2 data sheet 70 GBP
SdAR-M2 SdAR-M2 Metal-rich sediment SdAR-M2 data sheet 70 GBP
SdAR-H1 SdAR-H1 Metalliferous sediment SdAR-H1 data sheet 70 GBP
*discount available to IAG members