General description
A unit of Reference Material (RM) 8631b, an ISO Medium Test Dust (MTD), consists of 20 g of a natural mineral dust that is heterogeneous in composition and polydisperse with respect to size. RM 8631b is intended to be used as a secondary material for calibrating particle sizing instruments, especially optical particle counters, when used in conjunction with published standard methods.
RM 8631B_cert RM 8631B_SDS
Other Notes
Please download a current certificate at nist.gov/SRM for current analytes and certified values.
Legal Information
NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology
- UPC:
- 41104012
- Condition:
- New
- HazmatClass:
- No
- MPN:
- RM 8631b
- Model Number:
- NISTRM8631B
akash.verma@cenmed.com
(732) 447-1115





