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National Sharing Platform for Reference Materials
Sponsor：National Insistute of Metrology, China
GBW11112 Coal
50g

$0.00

Status Now selling
Delivery Normal
Expire Date 2024-09-30
Quantity:
- +

CodeGBW11112
DescriptionCoal
Certificate
NMI Service Identifier
Measurement Service Sub-Category
Certified Value Certified Uncertainty Unit Memo
真相对密度（20oC) 1.72 0.02 Standard values
carbon 72.97 0.36 Mass fraction (10 -2 )
ash 20.41 0.20 Mass fraction (10 -2 )
hydrogen 2.12 0.10 Mass fraction (10 -2 )
volatile 6.45 0.22 Mass fraction (10 -2 )
total sulfur 2.20 0.06 Mass fraction (10 -2 )
nitrogen 0.52 0.06 Mass fraction (10 -2 )
calorific value 27.27 0.12 heat value(MJ/kg)
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