Sigma-Aldrich 370959 Lignin, alkali 100 gr
Kategori
Marka
Stok Kodu
LB.SA.370959-100G
Kısa Bilgi
Synonym(s): Lignin, kraft, CAS Number: 8068-05-1, MDL number: MFCD09039274, NACRES: NA.23
Bilgi
CAS Number: 8068-05-1
| Sigma-Aldrich 370959 Lignin, alkali 100 gr |
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Synonym(s): Lignin, kraft
CAS Number: 8068-05-1
MDL number: MFCD09039274
NACRES: NA.23
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PROPERTIES
description surface tension 43 mN/m (1% aqueous)
Quality Level 100
form powder
impurities 5% moisture
loss
13.4 wt. % loss on heating, @ 316°C
3.3 wt. % loss on heating, @ 149°C
5.7 wt. % loss on heating, @ 204°C
8.5 wt. % loss on heating, @ 260°C
pH 6.5 (25 °C, 5%, aqueous solution)
transition temp sintering point 188 °C
solubility
NaOH: 0.05% (warm 5% aquesous)
MEK: partially soluble
benzene: insoluble
dioxane: soluble
ethylene glycol: soluble
hexane: insoluble
methanol: partially soluble
density 1.3 g/mL at 25 °C
bulk density 23 lb/cu.ft (loose) 32 lb/cu.ft (packed)
DESCRIPTION
General description
Lignin, alkali is a complex, three dimensional polymer that is also known as kraft lignin that has undergone hydrolytic degradation. It is one of the major components of lignocellulosic materials. Lignin is a major product for second generation bioethanol production and is an impurity in the separation of cellulose from wood.[1][2]
Application
Lignin, alkali can be used as a surface treatment agent for composites of natural fibers with petroleum based resins.[3]
It can be used as a biosorbent for potential applications in removing toxic metal ions from wastewater.[4]
Packaging
100, 500 g in poly bottle
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