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Table 2 Composition of depithed bagasse ash, long fiber bagasse ash and pith ash as determined by WD-XRF

From: Pretreatment of South African sugarcane bagasse using a low-cost protic ionic liquid: a comparison of whole, depithed, fibrous and pith bagasse fractions

Compound (wt%) Depithed bagasse (DB) ash Long fiber bagasse (LFB) ash Pith bagasse (PB) ash
SiO2 50.8 54.6 70.1
Al2O3 3.6 0.5 1.1
Fe2O3 6.6 0.7 1.4
Mn3O4 0.2 0.3 0.1
SO3 1.3 2.2 1.8
CaO 8.9 11.2 13.1
MgO 4.5 10.2 5.2
ZnO 0.07 0.08 0.06
Na2O 7.3 4.4 5.0
K2O 1.6 9.6 1.00
P2O5 2.9 6.0 1.7
TiO2 0.3 0.09 0.2
SrO 0.05 0.05 0.05
BaO < 0.01 0.08 0.09
LOI 12 N/A N/A
  1. LOI loss on ignition