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Merck
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NIST278

Obsidian rock

NIST® SRM® 278

别名:

Obsidian

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化学文摘社编号:
NACRES:
NA.24
UNSPSC Code:
41116107
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产品名称

Obsidian rock, NIST® SRM® 278

grade

certified reference material

packaging

pkg of 35 g

manufacturer/tradename

NIST®

format

matrix material

Quality Level

Legal Information

SRM is a registered trademark of National Institute of Standards and Technology
NIST is a registered trademark of National Institute of Standards and Technology

Application

Obsidian rock standard reference material (SRM) is intended for assessing the precision of both analytical methods and instruments employed in analyzing geological materials.

Features and Benefits

  • Available with a certificate documenting NIST-certified values of constituents in the obsidian rock, these values were determined through either a definitive method, reference method, or two or more analytical methods.
  • Information values of the constituents are determined by single or non-reference method.

General description

It is a finely powdered obstian rock, derived from Clear Lake, Newberry Crater, Oregon.

SRM 278_cert

SRM 278_SDS

Other Notes

Certified for the analytes listed below.
Aluminium dioxide (Al2O3), Calcium oxide (CaO), Iron(II) oxide (FeO), Iron(III) oxide (Fe2O3), Potassium oxide (K2O), Manganese oxide (MnO), Sodium oxide (Na2O), Phosphorus pentoxide (P2O5), Silicon dioxide (SiO2), Titanium dioxide (TiO2), Copper (Cu), Nickel (Ni), Rubidium (Rb), Strontium (Sr), Thorium (Th), Thallium (Tl), Uranium (U), Lead (Pb)

Reference/Informational value is provided for the following analytes.
Carbon (C), Carbon dioxide (CO2), Fluorine (F), Magnesium oxide (MgO), Barium (Ba), Boron (B), Cerium (Ce), Cobalt (Co), Chromium (Cr), Caesium (Cs), Europium (Eu), Gadolinium (Gd), Hofnium (Hf), Lutetium (Lu), Antimony (Sb), Scandium (Sc), Samarium (Sm), Tantalum (Ta), Terbium (Tb), Ytterbium (Yb), Zinc (Zn)

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

存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Reference samples for use in analytical geochemistry: their availability, preparation, and appropriate use.
Kane J S.
Journal of Geochemical Exploration, 44(1-3), 37-63 (1992)

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