ensaios de laboratório
Autor: Cleber de Souza Mello | Publicado: 2011-07-31T11:22:00-07:00

This catalogue presents our analysis and testing services for pulp and paper production and related businesses.A specialist is named for each service product who can be contacted for more details.Due to the increasing variety of our services, inquiries can also be made concerning services that are not covered in this brochure.CONTENTSPAPER TESTING 2PULP TESTING 3BLEACHING 4PRINTING, TESTING OF PRINTING COLOURS AND PRINTING PRODUCTS 5COATING COLOUR ANALYTICS 6CHEMICAL ANALYTICS 7MICROBIOLOGY 9WET END TESTING 10ANALYTICAL SERVICESFOR THE PULP ANDPAPER INDUSTRY2Uncoated, coated and printed paperContact person: Outi Nurmelin, +358-(0)40-578 7210, outi.nurmelin@nablabs.fiAir permeability ISO 5636-5:1986Ash contentBending length, EdanaBlistering resistance of LWCO paperCameron test (retrospective stretch in paper)Colour absorption of paper with Noir Porometrique coloursDetermination of pigment share in ashDry matterFelt hair calculationFibre composition analysisFibre orientation of paperFormationGlossGrammage ISO 536:1995Helio test value of LWCR paper (missing dots in Roto paper)IGT surface resistanceInternal bonding strength Tappi T 833 pm-94Microscopic image analysis of paper surface and printing markMicrotome strips of paper (cross direction)Optical properties-ISO brightness ISO 2470:1999-D65 brightness-opacity ISO-2471:1998-CIE whiteness-L*, a* and b*-excitation purity-luminance-dominant wavelength-light scattering coeff. and light absorption coeff.Paper moisturePPS roughness ISO 8791-4:1992Starch determination in paperTapio analyser (printed/unprinted)- ash- density- flock size- gloss ts/ws- grammage (5 mm large scale detector and 2 mm small scale detector)- remission (brightness)- thickness- TPS, Tapio Printability Sensor (amount of printing ink)- transmissionTear strength and index ISO 1974:1990Tensile strength, stretch, tensile energy absorption ISO 1924-2:1994Thickness/density ISO 534:1988Unger oil absorptionPAPER TESTING3PULP TESTINGContact person: Outi Nurmelin, +358-(0)40-578 7210, outi.nurmelin@nablabs.fiAir permeance ISO 5636-5:2003Bauer-McNett fractionation SCAN-M 6:69Bending resistance SCAN-P 29:95Bending stiffness SCAN-P 29:95Bursting strength ISO 2758:2001Canadian Standard Freeness ISO 5267-2:2001 (mod.)Colloidal resin particlesDensity ISO 534:1988DDJ TAPPI T 261 cm -94Dry-matter content in the halogen dryerFibre composition analysisFM fibre length, fibre width and form factor,plus kink and vessel cell measurement ISO 16065-1:2001Fracture toughness SCAN-P 77:95Grammage ISO 536:1995Laboratory refining - Voith Sulzer InternalLaboratory sheet testing ISO 5270-1998Optical properties:- device ISO 2469:1994- brightness ISO 2470:1999- light scattering coeff. and light absorption coeff. ISO 9416:1998- opacity ISO 2471:1998- colour SCAN-P 72:95, ISO 5631:2000PFI –beating ISO 5264-2:2002Preparation of laboratory sheets ISO 5269-1:1998Preparation of laboratory sheets with recirculated white water InternalPulp consistencyPulp disintegration- wet disintegration, chemical pulps ISO 5263-1:2004- wet disintegration, mechanical pulps ISO 5263-2:2004- hot disintegration, mechanical pulps ISO 5263-3:2004Pulp dry-matter content in IR –dryerPulp pH InternalRetentionSand testScott-Bond internal bonding strength Tappi T 833 pm-94Schopper-Riegler number ISO 5267-1:1999 (mod.)Sommerville shives contentTear strength ISO 1974:1990Tensile strength, stretch and tensile energy absorption,Tensile stiffness and elastic modulus ISO 1924-2:1994WRV, water retention value SCAN-C 62:00Zero-Span tensile strength ISO 15361:20004BLEACHINGContact person: Outi Nurmelin, +358-(0)40-578 7210, outi.nurmelin@nablabs.fiBleaching of chemical pulpBleaching of mechanical pulpOptimisation of bleaching sequences in useOzone bleachingPressurised and unpressurised bleaching sequencesProducing of bleached pulp for further testingTesting of new/modified bleaching sequences5PRINTING, TESTING OF PRINTING COLOURS AND PRINTING PRODUCTSContact person: Outi Nurmelin, +358-(0)40-578 7210, outi.nurmelin@nablabs.fiBendtsen air permeance and roughnessCracking –testDensityDot gainEntropy test of SC- and LWC-gravure printing mark(smoothness of printing mark in single- or multicolour printing)GlossGravure printing (GFL)-strip printing pressIGT –printing- Set off (recovery time of printing ink), ink requirement, gloss of printing ink- Mottling (smoothness of printing ink in single- or multicolour printing)- LWC Back Trap Picking surface strength- LWC wet repellation- Offset-test of SC- and LWC-paperInk testing- stickiness- viscosity- flowing length- determination of water emulsifying ability with Duke water test deviceMicroscopic image analysis of paper surface and printing markMissing dots (roto paper)MottlingPPS 10 μmPrint through density / %Smear test of SCR paper (wire and felt marking, smoothness)Splitting of a paper sample with laminating method(Z-directional lamellar structure and formation of surface layer)Strike-throughTranslucencyVelvet tissue test (paper dust)Visual evaluationZ-directional ash distribution in paper6COATING COLOUR ANALYTICSContact person: Outi Nurmelin, +358-(0)40-578 7210, outi.nurmelin@nablabs.fiCHEMICALSAbrasion (wire wear)BrightnessBrookfield viscosityDensityDetermination of insoluble retention agentDispersing agent requirementDry-matter contentpHWire residualCOATING COLOURAcav A2 viscosityAir contentAsh contentBrookfield viscosityCracking testDensityDetermination of binding agentsDispersion of coating pigmentDry-matter contentpHWater retention7CHEMICAL ANALYTICSContact persons: Anne Penttinen, 358-(0)50-595 8603, anne.penttinen@nablabs.fi or Tiina Lautakari, 358-(0)40-573 9968,tiina.lautakari@nablabs.fiEXTRACTIVE ANALYTICSAcetone / DKM / EB extract content SCAN-CM 49:03Extractive contentTall oil content InternalTurpentine content InternalDEPOSIT ANALYTICSAnalysis of deposit samplesCounting of resin particlesFTIR analysesGC-MS analysesMicrobiological analysis of deposits (see microbiology)Microscopy and microscopic image analysisCARBOHYDRATE ANALYTICSCarbohydrate composition InternalCarboxyl content KCL 192:68Formaldehyde content in chemical pulpHexenuronic acid InternalLignin content KCL 115:82Pentosan content Tappi T 223 cm-84OTHER CHEMICAL ANALYTICSAlkali solubility ISO 692:1982, Tappi T 235 cm-00Anions InternalAOX SCAN-CM 44:97CED viscosity ISO 5351:2004Chlorine number ISO 3260:1982Determination of pigment share in ashKappa number ISO 302:1981Metal content SCAN-CM 38:05Starch determination in paperWashing loss, Na8LIQUOR AND CONDENSATE ANALYTICSAlkaline analysis-black liquor SCAN-N 33:94-white liquor SCAN-N 30:85Ash KCL 59:83Carbonate content InternalChloride content-white/green liquor SCAN-C 4:78-black liquor KCL 73:84CHN content InternalCOD (Cr) SFS 5504Conductivity SFS-EN 27888:1994Density InternalDry-matter SCAN-N 22:96Fibre content SCAN-N 22:96Heat value (calorimetric) Tappi T 684 om-97HS—content SCAN-N 31:94Lime content InternalMetal content-Na, K SCAN-N 37:98-Ca, Mg, Mn, Al and Si SCAN-N 38:01Methanol content InternalPolysulphide (black liquor) KCL 72a:84Ratio of inorganic/organic matter in black liquor KCL 61:83Sulphate (white liquor) SCAN-N 6:85Sulphite, thiosulphite KCL 70:83Sulphur content (Stot) InternalTRS –compounds InternalViscosityMICROBIOLOGYContact person: Tuija Vasara, +358-(0)40-766 1734, tuija.vasara@nablabs.fiAerobic bacteria and spores as surface plating InternalAnaerobic bacteria and spores using pour-plate method InternalMicrobiological colourings and microscopic image analysis of bacterial growth(e.g. deposit analysis)Microbiological examination of pulp, paper and board(total count of bacteria, yeast and mould based on disintegration) ISO 8784-1Microbiological examination of process water and slush pulp(total count of bacteria, yeast and mould) T 631 om-89Starch degrading bacteria InternalSulphate-reducing bacteria Internal910WET END TESTINGService includes portable measurement equipment and staffContact persons: Nina Filpus, +358-(0)40-527 0041, nina.filpus@nablabs.fi or Eero Sällinen, +358-(0)50-538 7084, eero.sallinen@nablabs.fiAnions (sulphate, silicate etc.) InternalCharge of soluble and colloidal material (Mütek) InternalElectrical conductivity InternalMetals (Al, Ca, Mg etc) InternalParticle surface charge (Zeta potential) InternalpH, temperature InternalRedox –potential InternalRetention; total retention, fines and ash content (DDJ) InternalSoluble starch InternalTurbidity; amount of colloidal material Internal