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National Sharing Platform for Reference Materials
Sponsor：National Institute of Metrology, China
GBW11113 Coal
50g

$0.00

Status Now selling
Delivery Normal
Expire Date 2024-06-30
Quantity:
- +

CodeGBW11113
DescriptionCoal
Certificate
NMI Service Identifier
Measurement Service Sub-Category
Certified Value Certified Uncertainty Unit Memo
ash 24.53 0.22 Mass fraction (10 -2 )
carbon 65.46 0.36 Mass fraction (10 -2 )
volatile 10.41 0.22 Mass fraction (10 -2 )
真相对密度（20oC) 1.72 0.02 Standard values
total sulfur 3.20 0.07 Mass fraction (10 -2 )
hydrogen 2.51 0.10 Mass fraction (10 -2 )
calorific value 25.05 0.12 heat value(MJ/kg)
nitrogen 0.81 0.06 Mass fraction (10 -2 )
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