Standard Svensk standard · SS-ISO 21400:2019

Massa - Bestämning av svavel- och sulfatmonoesterhalt i nanokristallin cellulosa (ISO 21400:2018, IDT)

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Standard Svensk standard · SS-ISO 21400:2019

Massa - Bestämning av svavel- och sulfatmonoesterhalt i nanokristallin cellulosa (ISO 21400:2018, IDT)
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Omfattning
This document 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.
This document is applicable to the characterization of CNCs:
a) with all monovalent counterions (particularly hydronium and sodium cations);
b) which are either in the never-dried state in aqueous suspension, or have been redispersed from a
dried form; and
c) which have been extracted from any naturally occurring cellulose source using a range of sulfuric
acid hydrolysis conditions, or have been sulfated post-hydrolysis using sulfuric acid.

Ämnesområden

Massa (85.040)


Köp denna standard

Standard Svensk standard · SS-ISO 21400:2019

Massa - Bestämning av svavel- och sulfatmonoesterhalt i nanokristallin cellulosa (ISO 21400:2018, IDT)
Prenumerera på standarden - Läs mer Dölj
Pris: 1 152 SEK
standard ikon pdf

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Pris: 1 152 SEK
standard ikon

Papper

Pris: 1 843,20 SEK
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Produktinformation

Språk: Engelska

Framtagen av: Kemiska analysmetoder, SIS/TK 157/AG 04

Internationell titel: Pulp - Determination of cellulose nanocrystal sulfur and sulfate half-ester content (ISO 21400:2018, IDT)

Artikelnummer: STD-80015224

Utgåva: 1

Fastställd: 2019-08-22

Antal sidor: 36