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National Sharing Platform for Reference Materials
Sponsor：National Institute of Metrology, China
GBW03107 Limestone
50g

$180.00

Status Now selling
Delivery Normal
Expire Date 2026-02-19
Quantity:
- +

CodeGBW03107
DescriptionLimestone
Certificatehttps://www.ncrm.org.cn/English/CRM/pdf/GBW03107_20160301_091108842_1223796.pdf
NMI Service Identifier
Measurement Service Sub-Category
Certified Value Certified Uncertainty Unit Memo
SiO2 4.05 0.17 Mass fraction (10 -2 )
Al2O3 0.94 0.07 Mass fraction (10 -2 )
Fe2O3 0.58 0.02 Mass fraction (10 -2 )
CaO 50.09 0.09 Mass fraction (10 -2 )
MgO 1.79 0.10 Mass fraction (10 -2 )
K2O 0.42 0.04 Mass fraction (10 -2 )
Na2O 0.027 0.006 Mass fraction (10 -2 )
TiO2 0.052 0.015 Mass fraction (10 -2 )
SO3 0.054 0.007 Mass fraction (10 -2 )
P2O5 0.033 0.004 Mass fraction (10 -2 )
MnO 0.014 0.003 Mass fraction (10 -2 )
Cl 0.0062 0.0017 Mass fraction (10 -2 )
CO2 (41.32) Mass fraction (10 -2 )
fSiO2 2.02 0.09 Mass fraction (10 -2 )
LOI 41.53 0.13 Mass fraction (10 -2 )
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