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LABORATORY CAPABILITIES
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Contact: Omar F. Ali, Ph.D - Laboratory Director: 912-963-2640 (office), 912-695-7868 (cell), oali@herty.com
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Pulp properties and handsheet preparation
Canadian Standard Freeness (T227)
Schopper Riegler Freeness, (ISO5267/1-1999(E)
Williams freeness (UM 203)
TAPPI consistency T240
TAPPI handsheet preparation ( T205)
Heavy weight handsheets preparation (Board or Medium) (T205)
TAPPI handsheet preparation, TMP pulps with latency removal
TAPPI handsheet preparation,TMP pulps without latency removal
Tissue weight handsheets (without blends)
Noble & Wood handsheets, 8X8 in. sheet
Multi-ply handsheets, 6-inch round sheets
Recycled/ Repulpability evaluation
Handsheet preparation with additives, Fillers, and pH adjustments
Handsheet preparation with white water return
Zeta potential
Pulp morphology
Fiber length: FQA (Optest) (T271)
Fiber length : Liner grade pulps, high yield, & cotton (High counts): FQA (Optest)
Sample preparation, soak and dispersion for FQA
Prescreen for FQA
Coarseness:FQA (Optest) special 1 gram sheet prep required
Bauer McNett classifications, % Retain only: State screens (T233) 4 screens
Bauer McNett classifications, % Retain only: State screens (T233) 5 screens
Clark classification, % Retain only,14,30,50,100 mesh (T233)
Fiber cell dimensions
Species ID
Hardwood/ Softwood count
Pulp screening
Somerville flat screen, 25 gram sample, 6-cut for recycled (4-,6-,&10-cut screens) T275
Valley flat screen, 25 gram sample (6,9,10,12,or 20-cut screens) T-278
Pulmac Shive Analyzer, 10 - 40g. based on rejects, ( 4-, 6 or 10-cut screens)
Pulmac MasterScreen, 2 -100g sample, based on contaminates 6-cut std.(4-, 6- or 10-cut screens)
Sprout Waldron large flat screen, ( 6,10, 12, 18, or 24-cut screen)
Recycle pulp
Usable fiber, with/without dispersion, 200 mesh fiber retained - debris spread on filter pads
Usable fiber, with/without dispersion, 200 mesh fiber retained - debris spread on filter pads
Stickies handsheet preparation, Modified Nalco method, sheet preparation only
Screening prior to sample prep for stickies sheets
Sample preparation prior to testing
Chemical analysis of pulp
CED capillary viscosity (T230)
Pre-bleach pulp with sodium chlorite for viscosity
Copper number (T430)
Ash, Wood, Pulp, Paper, or Paperboard (T211 or T413), one temperature
Ash, Wood, Pulp, Paper, or Paperboard (T211 & T413), two temperature
Ash, Quick, 1 gram @ one temperature (Paper Machine Trial Support)
Water Retention Value (UM 256)
Zeta potential, Muetek
Alpha, Beta, & Gamma Cellulose, (T203)
Alpha cellulose in paper (T429)
Paper extracts, pH, Hot water (T435)
Paper extracts, pH, cold water (T509)
Extractives, (T204) Dicholomethane or Alcohol/ Benzene)
IR analyses of residue available
Extractives, White water wax extractives, Special method
Surface pH (T529)
Pentosans (T212)
1.0% Alkali Solubility of pulp (T212)
Alkali Solubility of pulp @ 25° C (T235)
Acid Insoluble Lignin (Klason) (T222)
Kappa number of pulp (T236)
Permanganate number of pulp (UM 251)
Acid insoluble ash (T244)
Starch, T419 (not cationic),1st sample with set up and calibration curve
Total dissolved solids
Pre-extract samples for chemical analysis (T264)
Handsheet testing - bleachable grade
Basis weight (Grammage) Only (T410)
Caliper (Thickness) Only (T411)
Density and bulk (calculated from grammage and caliper)
Tear (Elmendorf) (T414)
Burst (Mullen) (T403)
Tensile breaking length, & Stretch (T494)
Zero span (dry) with handsheet prep (T231)
Zero span for fiber alignment Factor (MD/CD) Dry Paper Machine Samples
Wet zero span with sheet preparation (T273-wd)
Wet web tensile (TAPPI handsheet or special N&W Wire)
Folds (T511)
Frazier porosity (also for non-wovens)
Gurley porosity/ Air Resistance, Technidyne / Hagerty Air Permeability
Printing opacity, Calculated TAPPI opacity
Scattering coefficient, Absorption coefficient (T519)
Printing opacity, Calculated TAPPI opacity (with sheet brightness)
Brightness on pulp (Sheet machine method with diffuse brightness determination)(T272 with T525)
Brightness, diffuse (T525)
Brightness reversion of Bleached Pulp (PAPTAC C.7)
Reversion of bleached bulp, Oven method (UM200 )
Test sheet brightness with opacity, scattering coefficient, & absorption coefficient
Handsheet testing - linerboard grade
Basis weight (grammage) (T410)
Caliper (Thickness) (T411)
Density and bulk calculated from Grammage and Caliper
Burst (Mullen) (T807)
Tear (Elmendorf) (T414)
Tensile, Breaking length, Tensile Index & Stretch (T494)
Ring crush, T822 (Rigid Beam Method)
Concora (CMT) (T809)
S.T.F.I. (T826) Short Span Compression
Fluted Edge Crush (T824)
Stiffness, Taber (T489)
Z-Direction Tensile (T541)
Scott Internal Bond (T569)
Gurley porosity/ Air resistance (T460) Technidyne / Hagerty air permeability
Machine sheets - bleachable - physical properties
Basis weight (T410)
Caliper / Thickness (T411)
Density and Bulk calculated from Gammage and Caliper (Thickness)
Moisture, Equilibrium / Conditioned
Moisture, "As Received" in triplicate
Burst (Mullen) (T403)
Tensile, Breaking length, Stretch (Elongation) (T494)
Tear (Elmendorf)Resistance (T414)
MIT folds (T511)
Gurley porosity/ Air resistance, (T460) Technidyne / Hagerty Air permeability
Klemm test, (T441: Appendix, or, ISO 8787-19G)
Finch edge tear
Sheffield smoothness, (T538) Technidyne/Hagerty Instrument
Sheffield porosity (Air permeability) (T547) Technidyne/Hagerty instrument
Taber stiffness, Paper & Board, (T489)
Taber stiffness, Light Wt. papers, (T566)
Z-Direction Tensile (T541 )
Scott Bond (T569)
Wax Pick (T459)
Cobb test (Water absorbency of sized paper), hard sized paper (T441)
Hercules size test (T530)
Hercules size test (T530)
Wet tensile
Finch cup wet tensile
Coefficient of friction, Static & Kinetic (T549)
Parker Print Surf ( T555)
Machine sheets - bleachable - optical
Brightness, Directional (TAPPI) (T452)
Brightness Directional
Brightness, Diffuse (T525)
Brightness with Color (Diffuse(Micro TB1C) or Directional/ TAPPI(MicroS-5))
Printing & calculated TAPPI Opacity, Scattering & Absorption Coefficients, Sheet Brightness (T519)
Directional / TAPPI Opacity, Scattering Coefficient, Absorption Coefficient (T425)
T/dyne Micro TB-1C: Diffuse brightness, opacity, color, color difference, ASTM Index, & tristimulus
T/dyne Micro S-5 BOC:Dir/TAPPI brightness, opacity, color, color difference, ASTM Index, & tristimulus
Color, Hunter or CIE L*A*B* (State Directional or Diffuse Values)
Color Difference (Client supplies standard)
State Hunter or CIE L*A*B* Scale
Fluorescence (UV included/ UV excluded)(State Directional or Diffuse)
Formation (Optest PAPRICAN Micro-scanner-Sample must transmit light)
Gloss, State 20°high gloss coated (T653) or 75° (T480)
Machine sheets - bleachable - dirt
Dirt count, Sheet pulp or formed samples , "As Received"(T437 /T563)
Dirt count with hvy. wt. handsheet preparation (T213 )
Dirt count, Equivalent Black Area and visible dirt (T563) image analysis
(Note: Manual Method with TAPPI dirt chart or Optest PAPRICAN Microscanner for Image Analysis)
Machine sheets - linerboard grade
Basis Weight (T410) pre-cut sheets
Basis Weight (Grammage <42lb/1000ft² shts) (T410)
Basis Weight, Hvy Board: (Grammage >42lb/1000ft² shts) (T410)
Caliper (Thickness) (T411)
Density & Bulk calculated from Basis weight and Caliper
Moisture, Equilibrium / conditioned, with physical tests
Moisture, "As Received"
Burst (Mullen) Wire (T807)
Concora (CMT) (T809)
Fluted Edge crush (T824)
Ring crush (T822-Rigid Beam)
S.T.F.I. (T826) Short span compression
Tensile, Breaking length, Tensile index, Stretch (Elongation) (T494)
Wet tensile determinations
Water drop (Absorbency of Bibulous Papers), (T432)
Tearing resistance (Elmendorf) (T414)
Gurley porosity (Air Resistance) (T460) Technidyne/Hagerty Instrument
Sheffield smoothness (T538) Technidyne/Hagerty Instrument
Sheffield porosity (Air Permeability) (T547) Hagerty Instrument
Taber stiffness (T489)
Taber stiffness (T566) Lt. Wt. Papers
Z-Direction tensile (T541 )
Scott bond (Interfiber or Internal Bond) (T569)
Wax pick (T459)
Cobb test (Water Absorbency of Sized Paper), hard sized (T441)
Coefficient of friction, Static & Kinetic (T816)
Klemm test (T441: Appendix or ISO 8787-19G)
Laboratory pulp refining and testing
5pt. Valley or PFI Mill Curve with Basic Strength Test.
Tests include : Canadian standard freeness, Beating time, TAPPI drainage, TAPPI handsheet preparation (60 g/m²), Moisture (Equilibrium/Conditioned), Basis weight (Grammage), Caliper (Thickness),Density, Bulk,Burst, Tensile, Breaking length, Tensile index, Stretch (Elongation), TEA, Modulus, and Elmendorf tear.(TAPPI T200, T205, T220, T227, and T200 or T248)
6pt. Valley or PFI Mill Curve with Basic Strength Test.
Tests Include : Canadian standard freeness, Beating time, TAPPI drainage, TAPPI handsheet preparation (60 g/m²), Moisture (Equilibrium/Conditioned), Basis weight (Grammage), Caliper (Thickness), Density, Bulk, Burst Tensile, Breaking length, Tensile index, Stretch (Elongation), TEA, Modulus, and Elmendorf tear.(TAPPI T200, T205, T220, T227, and T200 or T248)
5pt. Valley or PFI Mill Curves with Full Tests.
Tests Iiclude: Canadian standard freeness, Beating time or Revol., TAPPI drainage, TAPPI handsheet preparation (60 g/m²), Moisture (Equilibrium/Conditioned), Basis weight, Caliper, Density, Bulk, Burst, Tensile, Breaking Length, Tensile Index, Stretch, TEA, Modulus,Elmendorf Tear (Internal tear resistance), Gurley porosity (Air resistance MIT Folds, Initial diffuse brightness, Printing opacity, Calculated TAPPI opacity, Scattering coefficient, and Absorption coefficient.(TAPPI T200, T205, T220, T227,, and T200 or T248)
6pt. Valley or PFI Mill Curves with Full Test.
Tests Include: Canadian standard freeness, Beating time or Revol., TAPPI drainage, TAPPI handsheet preparation (60 g/m²), Moisture (Equilibrium/Conditioned), Basis weight, Caliper, Density, Bulk, Burst, Tensile, Breaking length, Tensile Index, Stretch, TEA, Modulus,Elmendorf tear (Internal tear resistance), Gurley porosity (Air resistance MIT Folds,Initial diffuse brightness, Printing opacity, Calculated TAPPI opacity, Scattering coefficient, and Absorption coefficient.(TAPPI T200, T205, T220, T227,, and T200 or T248)
Non-Standard 5 pt Valley or PFI Evaluation @ 26 lbs / 1000 ft² - Heavy Weight Handsheets
Tests Include: Canadian standard freeness, Beating time, Handsheet preparation @ 26 lbs/1000 ft² (or alternate wt., Moisture (Equilibrium/Conditioned), Basis weight (Grammage), Caliper, Density, Bulk, Burst, STFI, and Ring crush Target CSF points (Valley or PFI), each point
Pulping liquor
Kraft black liquor, total solids < 40%
Kraft black liquor total solids > 45% Solids (T650)
Specific gravity, Hydrometer method <45% Solids
Specific gravity, Pycnometer method >45% Solids
Specific gravity, Pycnometer method >60% Solids
Residual alkali in kraft black liquor (Titration)
Alkali in kraft liquor via ABC method
Alkali in kraft black liquor via ABC method , AA. EA & TTA
Alternate liquor testing
Pulping - chip preparation
William wood chip classification, Manufact.. Meth.
Domtar chip thickness classification (UM 22) 10 liters
Chip bulk density ,1 cubic ft.
Log disk densities
Debark, chip, and screen for fines & oversize chips
Chip screening for length, 55 gallon drum
Chip moisture determinations
Chip basic density, T258
Pulping cooks
Kraft white liquor preparation
Strength check kraft liquor (Alkali)
Kraft cook (0.78 cu.ft or 1000-2400 Grams OD chips per cook) , Liner/High yield
Kraft cooks (0.78 cu.ft or 1000-2400 Grams OD chips per cook) , Bleach grade
Pre-steaming
Rotary digester for low liquor to wood ratios, 0.3 cu.ft
Alternate pulping with soda, dissolving and NSSC Liquors
Alternate pulping of non-wood grades
Bleaching:
Conventional bleaching in plastic bags: C, D, E, H
Oxidizing bleaching: O, Z, Eo, Ep, Eo/p, P with Quantum Mark V Mixer and Ozone Cart
By products
Tall oil determination in pulp
Tall oil determination in soap
Tall oil determination in wood chips
Tall oil determination in black liquor
Turpentine determination in wood
BioFuels
Heating Value
Ash Content
Ash Elemental Analysis
Biomass Feedstock Size Classification
Moisture Content
Bulk Density |
