The diameter of these particles is not reported on a lot-to-lot basis. However, the expected size range is 1 - 2 mm in diameter by 5 mm in length. Please see the link below to review the NIST Certificate:
https://tsapps.nist.gov/srmext/certificates/720.pdf
NIST720
Sapphire heat capacity
NIST® SRM® 720
Synonym(s):
Synthetic Sapphire (α-Al2O3)
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About This Item
UNSPSC Code:
41116107
NACRES:
NA.24
Pricing and availability is not currently available.
Recommended Products
grade
certified reference material
Quality Level
form
solid
packaging
pkg of 15 g
manufacturer/tradename
NIST®
Related Categories
General description
The material furnished is synthetic sapphire cylinders, cut from centerless-ground rods. A unit of SRM 720 consists of 15 g of cylinder shape synthetic sapphire.The enthalpy and heat capacity data are derived from high-temperature enthalpy and low-temperature heat-capacity measurement.
SRM 720_cert
SRM 720_SDS
SRM 720_cert
SRM 720_SDS
Application
Sapphire heat capacity Standard Reference Material (SRM) is intended for use in calibrating or monitoring calorimeters used to measure either enthalpy or heat capacity within the range of 10 to 2250 K.
Features and Benefits
- The variation of accuracy of enthalpy and heat capacity values as a function of temperature is presented in NIST certificate.
- Notes on disposal and transport are documented in MSDS.
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
Storage Class Code
13 - Non Combustible Solids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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