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NIST979

Chromium isotopic standard

NIST® SRM® 979

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Synonym(s):
Chromium(III) nitrate nonahydrate
Linear Formula:
Cr(NO3)3 · 9H2O
CAS Number:
Molecular Weight:
400.15
MDL number:
PubChem Substance ID:
NACRES:
NA.24

grade

certified reference material

Quality Level

isotopic purity

 50Cr
 52Cr
 53Cr
 54Cr

packaging

pkg of 0.25 g

manufacturer/tradename

NIST®

mp

60 °C (lit.)

format

matrix material

SMILES string

[Cr+3].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O

InChI

1S/Cr.3NO3.9H2O/c;3*2-1(3)4;;;;;;;;;/h;;;;9*1H2/q+3;3*-1;;;;;;;;;

InChI key

GVHCUJZTWMCYJM-UHFFFAOYSA-N

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This Item
NIST163NIST977NIST291
vibrant-m

NIST979

Chromium isotopic standard

vibrant-m

NIST163

Chromium steel

vibrant-m

NIST977

Isotopic standard for bromine

vibrant-m

NIST291

Cr-Mo steel

manufacturer/tradename

NIST®

manufacturer/tradename

NIST®

manufacturer/tradename

NIST®

manufacturer/tradename

NIST®

format

matrix material

format

matrix material

format

matrix material

format

matrix material

isotopic purity

 50Cr

isotopic purity

-

isotopic purity

 79Br,  81Br

isotopic purity

-

packaging

pkg of 0.25 g

packaging

pkg of 100 g

packaging

pkg of 0.25 g

packaging

pkg of 150 g

mp

60 °C (lit.)

mp

-

mp

755 °C (lit.)

mp

-

General description

Other Notes

Example analytes are listed below as a reference. Please download a current certificate at nist.gov/SRM for current analytes and certified values.
Chromium-50, Chromium-52, Chromium-53, Chromium-54

See certificate for values and more details at nist.gov/SRM.

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

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Warning

Hazard Classifications

Aquatic Chronic 3 - Eye Irrit. 2 - Ox. Sol. 3 - Skin Irrit. 2 - Skin Sens. 1B

Storage Class

5.1B - Oxidizing hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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