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NIST660C

六硼化镧

NIST® SRM® 660c, Lanthanum hexaboride powder

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别名:
硼化镧
线性分子式:
LaB6
CAS号:
12008-21-8
分子量:
203.77
EC 号:
234-531-6
MDL编号:
MFCD00151350
PubChem化学物质编号:
329818766
NACRES:
NA.24

等级

certified reference material

质量水平

100

形式

powder

包装

pkg of 6 g

制造商/商品名称

NIST®

技术

diffraction/scattering: suitable

mp

2210 °C

密度

2.61 g/cm3 at 25 °C (lit.)

SMILES字符串

[La++].B12B3[B-]14B5B4[B-]235

InChI

1S/B6.La/c1-2-5(1)3-4(5)6(1,2)3;/q-2;+2

InChI key

VJXOKIULCJPJLW-UHFFFAOYSA-N

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相关类别

一般描述

The SRM was prepared in a dedicated processing run using the 11B isotope enriched to a nominal 99 % concentration. This isotopic enrichment renders this SRM relevant to the neutron diffraction community. The resulting powder was then annealed and bottled under argon. Certification was performed using data from a NIST-built diffractometer, with analyses via the fundamental parameters approach (FPA) using the Rietveld method. The certification of SRM 660c is valid indefinitely, provided the SRM is handled and stored in accordance with the instructions given in the “Instructions for Storage and Use”.

For more information, please refer to the COA and SDS.

SRM 660C_CERT

SRM 660C_SDS

应用

This Standard Reference Material (SRM) is intended for use in calibration of diffraction line positions and line shapes determined through powder diffractometry.

特点和优势

  • A unit of SRM 660c consists of approximately 6 g of lanthanum hexaboride, LaB6, powder bottled under argon gas
  • Information on product description, disposal, and transportation is available in the accompanying MSDS
  • The enclosed NIST certificate contains details on the expiry date, warning to users, instructions for right storage and use, preparation, and analysis of the RM
  • Certified values and uncertainties calculated according to the method described in the ISO/JCGM Guide
  • Metrological traceability is to the SI unit for length (expressed as nanometers)

其他说明

Certified for the analytes listed below.
Lanthanum Hexaboride Powder

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

法律信息

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

储存分类代码

13 - Non Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

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