This product is supplied by NIST. Please see pages 5 and 6 of the certificate/report which explains the mix of anatase and rutile:
https://tsapps.nist.gov/srmext/certificates/1898.pdf
NIST1898
Titanium dioxide
NIST® SRM® 1898, nanomaterial
Synonym(s):
Titanium(IV) oxide, Titania, Titanium dioxide
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About This Item
Linear Formula:
TiO2
CAS Number:
Molecular Weight:
79.87
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24
Pricing and availability is not currently available.
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grade
certified reference material
Quality Level
packaging
pkg of 15 g
manufacturer/tradename
NIST®
mp
>350 °C (lit.)
density
4.26 g/mL at 25 °C (lit.)
format
matrix material
SMILES string
O=[Ti]=O
InChI
1S/2O.Ti
InChI key
GWEVSGVZZGPLCZ-UHFFFAOYSA-N
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General description
Each unit of SRM 1898 contains an amber glass bottle with approximately 15 g of anatase and rutile mixed phasenanocrystalline titanium dioxide (TiO2) in a dry agglomerated powder form.
SRM 1898_cert
SRM 1898_SDS
SRM 1898_cert
SRM 1898_SDS
Application
Titanium dioxide is primarily intended for calibrating and testing gas sorption instruments used to determine the specific surface area of porous solids and powders.
Features and Benefits
- The certified values for multi-point (MP) and single-point(SP) data analysis using the linear form of the single parameter BET equationare presented and evaluated for the Brunauer-Emmet-Teller (BET) specificsurface area, determined through nitrogen gas sorption at liquid nitrogentemperature (77.3 K) using the discontinuous manometric measurement method, inaccordance with ISO 9277:2010.
- Reference value is provided for nicotine adeninedinucleotide hydrate equivalent to photocatalytic activity.
- Elemental composition, purity,crystalline-phase content, and crystallite size information values are provided for both Anatase and Rutile.
- Expiration detailsand instructions for storage, handling, use, and maintenance are provided on the NIST certificate.
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
related product
Product No.
Description
Pricing
Storage Class Code
13 - Non Combustible Solids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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