Updated: 2013-01-04

Contact: Øyvind Eriksen.

Selected Methods *) Accredited methods
according to NA
Wood and chips:
Wood chips – Sampling SCAN-CM 41
Wood chips – Dry matter content SCAN-CM 39
Wood chips – Size distribution SCAN-CM 40
Wood chips – Bark content SCAN-CM 42
Wood chips – Basic density SCAN-CM 43
Wood chips – Bulk density SCAN-CM 46
Wood chips – Thickness and thickness distribution SCAN-CM 47
Wood chips – Length and width distribution SCAN-CM 48
Wood chips – Fibre dimensions – Maceration PFI-method-04-P-21
Fibre and pulp:
Dry matter content ISO 638
Stock concentration ISO 4119
Fibre fractionation – Bauer McNett SCAN-CM 6
Ash – Determination, 525°C ISO 1762
Drainability – Schopper Riegler (SR) ISO 5267-1
Drainability – Canadian Standard Freeness (CSF) ISO 5267-2
Water Retention Value (WRV) SCAN-C 62
Fibre dimensions (FiberMaster) PFI-method-04-P-22
Brightness – Laboratory sheets ISO 3688
Shive content (Somerville) Tappi T 275
Shive content (PFI Minishives) SCAN-M 13
Laboratory beating – PFI mill method ISO 5264-2
Lab sheets for physical testing – Conventional sheet former ISO 5269-1
Lab sheets for physical testing – Dynamic sheet former PFI-method-04-P-24
Laboratory sheets – ISO brightness ISO 3688
Fibre furnish analysis – Part 1: General method ISO 9184-1
Fibre furnish analysis – Part 2: Staining guide ISO 9184-2
Fibre furnish analysis – Part 3: Herzberg staining ISO 9184-3
Fibre furnish analysis – Part 4: Graff “C” staining test ISO 9184-4
Fibre furnish analysis – Part 5: Lofton-Merritt ISO 9184-5
Paper and board:
Structural properties:
Basis weight ISO 536*
Thickness and density ISO 534*
Moisture content – oven drying method ISO 287
Ash – Determination, 525°C ISO 1762
Ash – Determination, 900°C ISO 2144
PPS Print-surf method (air leak method) ISO 8791-4*
Bendtsen (air leak method) ISO 8791-2
Air permeance and air resistance, Gurley ISO 5636-5*
TSO – Tensile stiffness orientation PFI-method-04-P-25
Gloss, Lehmann SCAN-P 80
Prufbau, Test printing SCAN-P 79
Conductivity, aqueous extracts ISO 6587
pH, aqueous extracts ISO 6588
Ageing, accelerated, dry heat treatment at 105°C ISO 5630-1
Ageing, accelerated, dry heat treatment at 120 or 150°C ISO 5630-4
Hygroexpansivity, up to a maximum rel. humidity of 68 % ISO 8226-1
Hygroexpansivity, up to a maximum rel. humidity of 86 % ISO 8226-2
Optical properties:
Brightness ISO 2470*
Opacity ISO 2471
Light scattering and light absorption coefficients ISO 9416
Color, (C/2°) ISO 5631
CIE-whiteness, (D65/10°), outdoor daylight ISO 11475
CIE-whiteness, (C/2°), indoor illumination conditions ISO 11475
Mechanical properties:
Tensile index (tøyning, TEA, stiffness) ISO 1924-2 and -3*
Fracture toughness SCAN-P 77
Tearing resistance, Elmendorf ISO 1974*
Zero-span tensile strength, wet or dry ISO 15361
Internal bond strength, Z-strength Tappi T 541
Bursting strength ISO 2758 / ISO 2759
Stiffness, resistance to bending ISO 2493
Stiffness, Taber Tappi T 489
Absorption properties:
Water absorptiveness – Cobb method ISO 535
Contact angle, FibroDat 1100 Tappi T 558
Penetration Dynamic Analyzer, PDA.C 02 PFI-method-04-P-26