Pulp - Determination of cellulose nanocrystal sulfur and sulfate half-ester content
Standard Number | PNS ISO 21400:2019 |
---|---|
Organization |
Bureau of Philippine Standards
|
Level | National |
Category | Specification |
Status |
|
ABSTRACT
This Standard specifies procedures for the laboratory determination of the total elemental sulfur and the sulfate half-ester content of cellulose nanocrystals (CNCs) by inductively coupled plasma-optical emission spectroscopy and conductometric titration, respectively, including sample preparation, measurement methods and data analysis.