10-59-1 | High Purity Standards Thorium at 10 µg/mL in 2% HNO3

Thorium (Th) ICP-MS Single-Component Standard at 10 µg/mL in 2% HNO₃.

This standard is traceable to NIST SRM 3159. ISO 9001:2015 certified, ISO/IEC 17025:2017 and ISO 17034:2016 accredited.

12 month expiration date.