Materiales

 

Materiales

ISO/TS 23151:2021 - Nanotechnologies — Particle size distribution for cellulose nanocrystals
01/09/2021 - This document describes methods for the measurement of particle size distributions for cellulose nanocrystals using atomic force microscopy and transmission electron microscopy. The document...
ISO/TS 23151 - Nanotechnologies — Particle size distribution for cellulose nanocrystals
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F3274 Standard Guide for Testing and Characterization of Alginate Foam Scaffolds Used in Tissue-Engineered Medical Products (TEMPs) is a new standard now available. F3274-21
- Significance and Use 5.1 This guide is a guideline for the characterizing and testing of alginate foam scaffolds used in tissue-engineered medical products. Alginate foam...
ISO/TS 21346:2021 - Nanotechnologies — Characterization of individualized cellulose nanofibril samples
01/03/2021 - This document specifies characteristics to be measured of individualized cellulose nanofibril (iCNF) samples in suspension and powder forms and their measurement methods. In addition, it...
D706 Standard Classification System and Basis for Specifications for Cellulose Acetate Molding and Extrusion Compounds (CA) has been revised to D706-20
- 1. Scope 1.1 This classification system covers requirements for cellulose acetate thermoplastic compounds plasticized with either diethyl phthalate or dimethyl...
ISO 3451-1:2019 - Plastics -- Determination of ash -- Part 1: General methods
- This document specifies general methods, with suitable test conditions, for the determination of the ash of a range of plastics. The particular conditions chosen can be included in the...
F2315 Standard Guide for Immobilization or Encapsulation of Living Cells or Tissue in Alginate Gels has been revised to F2315-18
- Significance and Use 4.1 The main use is to immobilize, support, or suspend living cells or tissue in a matrix. The use of an encapsulation/immobilization system may...
Composites made from cellulose based materials and thermoplastics (usually called wood polymer composites (WPC) or natural fibre composites (NFC)) - Determination of particle size of lignocellosic material
- This document specifies mechanical and optical test methods for the determination of particle size of lignocellulosic material for use in wood plastic composites (WPC) and natural fibre composites...
F2103 Standard Guide for Characterization and Testing of Chitosan Salts as Starting Materials Intended for Use in Biomedical and Tissue-Engineered Medical Product Applications has been revised to F2103-18
- Significance and Use 4.1 This guide contains a listing of those characterization parameters that are directly related to the functionality of chitosan. This guide can be...
F2260 Standard Test Method for Determining Degree of Deacetylation in Chitosan Salts by Proton Nuclear Magnetic Resonance (1H NMR) Spectroscopy has been revised to F2260-18
- Significance and Use 4.1 The degree of deacetylation of chitosan salts is an important characterization parameter since the charge density of the chitosan molecule is...
F2602 Standard Test Method for Determining the Molar Mass of Chitosan and Chitosan Salts by Size Exclusion Chromatography with Multi-angle Light Scattering Detection (SEC-MALS) has been revised to F2602-18
- Significance and Use 4.1 The degree of deacetylation of chitosan, as well at the molar mass and molar mass distribution, determines the functionality of chitosan in an...
D787 Standard Specification for Ethyl Cellulose Molding and Extrusion Compounds has been revised to D787-18
- Abstract This specification covers the standard requirements for plasticized ethyl cellulose thermoplastic compounds suitable for injection molding and extrusion. It does...
ISO 21844:2018 - Cellular plastic -- Cellulose foam thermal insulation -- Material specification
- ISO 21844:2018 specifies material requirements and identifies the test methods to be used to determine these requirements for cellulose foam for thermal insulation for buildings and other...