Microdetermination of Oxygen

doi:10.1016/b978-0-12-395686-6.50020-9

Cited by 1 publication

(1 citation statement)

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“…Because, the copper removes excess unreacted oxygen during the combustion, reduces the NO x in the nitrogen, and converts any CO present in the gas into CO 2 . [155,156] Finally, the detection of gasses and quantification is carried out by partial separation by frontal chromatography or series of separate infrared thermal conductivity detection of individual combustion gas compounds. This method is very helpful to quantify the sulfur content present in the sulfuric acid hydrolyzed CNCs.…”

Section: Chn Analysismentioning

confidence: 99%

A comprehensive review on cellulose nanocrystals and cellulose nanofibers: Pretreatment, preparation, and characterization

Nagarajan¹,

Ramanujam²,

Sanjay

et al. 2021

Polymer Composites

190

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Crafting ecological materials from green resources is posing a significant challenge for the researchers and scientists around the globe and has resulted in the development of nanocellulose materials, which has paved the way for enriching the basic knowledge and many opportunities on developing biobased materials. This has augmented the utilization of carbohydrate-based organic materials and successfully replacing conventional nonrenewable materials. Cellulose nanomaterials (CNMs) belonging to the newer emerging field of nanomaterials are finding increasing interest among the investigators owing to their environmentally sustainable characteristics like biodegradability, biocompatibility, and potential availability in abundance at a cheaper price. The present review article intends to provide a detailed insight about the advancements and various challenges postured in the field of cellulose nanocrystals (CNCs) and cellulose nanofibers (CNFs). The article further discusses about different cellulose fiber extraction sources and their methods, purification processes employed, various sample preparation and drying techniques used for CNCs and CNFs. The article also outlines the various characterization methods practiced for scrutinizing CNCs and CNFs when used in polymer matrix composites. Finally, the benefits of using the CNMs in several potential applications such as paper, oil and gas industries, food packaging and structural sectors, conductive ink and water purification areas, medical and printed electronic fields are highlighted in this extensively reviewed article.

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Section: Chn Analysismentioning

confidence: 99%