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SRM 1453- Thermal Conductivity - Expanded Polystyrene Board
TB 117-2013 Fire Test Cigarettes (NIST, USA)
Nist PM2.5 Standard (SRM 1648a) from the United States
SRM 640f, Silicon powder (Nist, USA)
Garlic powder - reference material for biological components
Standard Material for Analysis of Loess Soil Composition - Wuzhong Irrigation and Sedimentation Soil in Ningxia
Standard materials for soil composition analysis
Soil standard material - floodplain sediment