RMU043、煤灰中铁、钙、镁、钾等11种重金属质量控制物质(GB/T37667-2019)
NIST SRM 1633C 粉煤灰中微量元素标准物质 75g
IRMM BCR-615 粉煤灰 FLY ASH (PCDD's and PCDF's)
IRMM BCR-490 粉煤灰 FLY ASH (PCDD's and PCDF's)
IRMM BCR-176R 粉煤灰 FLY ASH (element content)
IRMM BCR-038 粉煤灰 FLY ASH FROM PULVERISED COAL (trace elements)