The Standard-Specific Interest Groups (SSIGs) for the following Standards are in need of additional members. These groups may or may not have ballots currently open.

All Standard-Specific Interest Groups (SSIG) require a minimum of 10 members in order to ballot and vote on a draft of a method. The following test methods do not have the required minimum number of member to initiate a ballot.

SSIGs at risk of falling below the 10 members mark:

We welcome additional members to join!

T 200 sp-15 Laboratory Beating of Pulp (Valley Beater Method)

T 203 cm-09 Alpha-, beta- and gamma-cellulose in pulp

T 205 sp-18 Forming Handsheets for Physical Tests of Pulp

T 207 cm-08 Water Solubility of Wood and Pulp

T 211 om-16 Ash in wood, pulp, paper and paperboard:  combustion at 525 degrees C

T 212 om-18 One percent sodium hydroxide solubility of wood and pulp

T 213 om-15 Dirt in pulp - chart method

T 220 sp-16 Physical testing of pulp handsheets

T 221 cm-09 Drainage time of pulp

T 222 om-15 Acid insoluble lignin in wood and pulp

T 231 cm-07 Zero-span breaking strength of pulp (dry zero-span tensile)

T 232 cm-13 Fiber length of pulp by projection

T 233 cm-15 Fiber length of pulp by classification

T 234 cm-12 Coarseness of pulp fibers

T 235 cm-09 Alkali solubility of pulp at 25°C

T 245 cm-07 Silicates and silica in pulp (wet ash method)

T 248 sp-15 Laboratory beating of pulp (PFI mill method)

T 249 cm-09 Carbohydrate composition of extractive-free wood and wood pulp by gas-liquid chromatography

T 252 om-16 pH and electrical conductivity of hot water extracts of pulp, paper, and paperboard

T 254 cm-10 Cupriethylenediamine disperse viscosity of pulp (falling ball method)

T 255 cm-07 Water-soluble sulfates in pulp and paper

T 256 cm-07 Water-soluble chlorides in pulp and paper

T 257 sp-14 Sampling and preparing wood for analysis

T 259 om-15 Species identification of nonwood plant fibers

T 261 cm-10 Fines fraction by weight of paper stock by wet screening

T 265 cm-09 Natural dirt in wood chips

T 266 om-18 Determination of sodium, calcium, copper, iron and manganese in pulp and paper by atomic absorption spectroscopy

T 268 om-13 Weight-volume measurement of pulpwood

T 272 sp-12 Forming handsheets for reflectance testing of pulp (sheet machine procedure)

T 274 sp-13 Laboratory screening of pulp (MasterScreen-type instrument)

T 275 sp-18 Screening of pulp (Somerville-type equipment)

T 277 sp-14 Macro stickies content in pulp: the “pick-up” method

T 278 sp-17 Pulp screening (Valley-type screening device)

T 281 sp-18 Open drum washer mat sampling technique

T 282 om-19 Hexeneuronic acid content of chemical pulp

T 406 om-13 Reducible sulfur in paper and paperboard

T 408 cm-07 Rosin in paper and paperboard

T 413 om-17 Ash in wood, pulp, paper and paperboard:  combustion at 900 degrees C

T 419 om-18 Starch in paper

T 425 om-16 Opacity of paper (15/d geometry, illuminant A/2 degrees, 89% reflectance backing and paper backing)

T 428 om-13 Hot water extractable acidity or alkalinity of paper

T 438 cm-06 Zinc and cadmium in paper

T 444 om-12 Silver tarnishing by paper and paperboard

T 454 om-15 Turpentine test for voids in glassine and greaseproof papers

T 462 cm-16 Castor-oil penetration test for paper

T 465 sp-16 Static creasing of paper for water vapor transmission tests

T 480 om-15 Specular gloss of paper and paperboard at 75 degrees

T 483 cm-12 Odor of packaging materials

T 491 om-18 Water immersion number of paperboard

T 500 cm-07 Book bulk and bulking number of paper

T 504 cm-07 Glue in paper (qualitative & quantitative determination)

T 512 sp-12 Creasing of flexible packaging material paper specimens for testing

T 524 om-13 Color of paper and paperboard (45/0, C/2)

T 525 om-17 Diffuse brightness of paper, paperboard and pulp (d/0) -- ultraviolet level C

T 534 om-15 Brightness of clay and other mineral pigments (d/0 diffuse)

T 537 om-16 Dirt count in paper and paperboard (optical character recognition - OCR)

T 544 cm-19 Aging of paper and board with moist heat

T 550 om-13 Determination of equilibrium moisture in pulp, paper and paperboard for chemical analysis

T 553 om-15 Alkalinity of paper as calcium carbonate (alkaline reserve of paper)

T 567 om-15 Determination of effective residual ink concentration (ERIC) by infrared reflectance measurement

T 568 om-18 Physical area of sub-visible contraries in pulp, paper and paperboard by image analysis

T 572 sp-13 Accelerated pollutant aging of printing and writing paper by pollution chamber exposure apparatus

T 573 sp-15 Accelerated temperature aging of printing and writing paper by dry oven exposure apparatus

T 602 cm-06 Analysis of sulfuric acid

T 611 cm-07 Analysis of bleaching powder, calcium hypochlorite bleach liquor and bleach sludge

T 646 om-11 Brightness of clay and other mineral pigments (45/0)

T 650 om-15 Solids content of black liquor

T 653 om-07 Specular gloss of paper and paperboard at 20 degrees

T 656 cm-07 Measuring, sampling, and analyzing white waters

T 657 sp-12 Sampling of fillers and pigments

T 684 om-15 Gross heating value of black liquor

T 702 om-14 Rheological measurements for characterization of polyolefins: low-density polyethylene (LDPE) for extrusion coating

T 803 cm-10 Puncture test of container board

T 808 cm-15 Flat crush test of corrugated board (flexible beam method)

T 815 om-18 Coefficient of static friction (slide angle) of packaging and packaging materials (including shipping sack papers, corrugated and solid fiberboard) (inclined plane method)

T 824 cm-14 Fluted edge crush of corrugating medium (flexible beam method)

T 827 om-17 Box blank dimensioning

T 829 om-15 Score quality test

T 830 om-18 Ink rub test of containerboard and corrugated board

T 831 om-14 Water absorption of corrugating medium: water drop penetration test

T 832 om-17 Water absorption of corrugating medium: float curl method

T 834 om-18 Determination of containerboard roll hardness

T 835 om-14 Water absorption of corrugating medium: water drop absorption test

T 836 om-13 Bending stiffness, four point method

T 838 cm-12 Edge crush test using neckdown

T 843 om-20 Fluted edge crush of corrugating medium (rigid support method)

T 1014 om-15 Moisture sensitivity of fiber glass mats

T 1215 sp-12 The determination of instrumental color differences

T 1218 sp-18 Calibration of reflectance standards for hemispherical geometry

T 1219 sp-17 Storage of paper samples for optical measurements and color matching

T 1500 gl-18 Optical measurements terminology (related to appearance evaluation of paper)

 

SSIGs that need 1 member:

T 262 sp-18 Preparation of mechanical pulps for testing

T 268 om-13 Weight-volume measurement of pulpwood

T 461 cm-09 Flame resistance of treated paper and paperboard

T 515 om-20 Visual grading and color matching of paper

T 516 cm-11 Envelope seal, seam, and window patch testing

T 519 om-17 Diffuse opacity of paper (d/0 paper backing)

T 578 sp-16 Accelerated light aging of printing and writing paper by xenon-arc exposure apparatus

T 579 om-18 Diffuse brightness of paper, paperboard and pulp (d/0) (ultraviolet level D65)

T 617 cm-10 Analysis of lime

T 692 om-13 Determination of suspended solids in kraft green and white liquors

T 800 cm-16 Drum test for fiberboard shipping containers (revolving hexagonal drum)

T 818 cm-18 Ring crush of paperboard (flexible beam method)

T 820 cm-09 Flexural stiffness of corrugated board

T 1212 sp-12 Light sources for evaluating papers including those containing fluorescent whitening agents

T 1214 sp-17 Interrelation of reflectance, R0; reflectivity, R ; TAPPI opacity, C0.89; scattering, s; and absorption, k

T 1217 sp-18 Photometric linearity of optical properties instruments

 

SSIGs that need 2 members:

T 204 cm-17 Solvent Extractives of Wood and Pulp          

T 210 cm-13 Sampling and testing wood pulp shipments for moisture

T 218 sp-18 Forming handsheets for reflectance testing of pulp (Büchner funnel procedure)

T 264 cm-07 Preparation of wood for chemical analysis

T 271 om-18 Fiber length of pulp and paper by automated optical analyzer using polarized light 

T 421 om-12 Qualitative (including optical microscopic) analysis of mineral filler and mineral coating of paper

T 509 om-15 Hydrogen ion concentration (pH) of paper extracts (cold extraction method)

T 520 cm-07 Curl of gummed flat paper

T 600 om-15 Analysis of formaldehyde in aqueous solutions and of free formaldehyde in resins

T 604 cm-09 Sulfur dioxide in sulfite cooking liquor

T 619 cm-10 Analysis of salt cake

T 812 om-19 Ply separation of solid and corrugated fiberboard (wet)

T 1216 sp-18 Indices for whiteness, yellowness, brightness, and luminous reflectance factor

 

SSIGs that need 3 members:

T 263 sp-16 Identification of wood and fibers from conifers

T 267 cm-15 Compression wood identification in pulpwood

T 418 cm-17 Organic nitrogen in paper and paperboard

T 495 cm-13 Bending number of paperboard

T 622 cm-10 Analysis of sodium hydrosulfite lime

T 625 cm-14 Analysis of soda and sulfate black liquor

 

SSIGs that need 4 or more members:

T 223 cm-10 Pentosans in wood and pulp

T 226 cm-11 Specific external surface of pulp

T 237 cm-08 Carboxyl content of pulp

T 244 cm-11 Acid-insoluble ash in wood, pulp, paper, and paperboard

T 429 cm-10 Alpha-cellulose in paper

T 434 cm-10 Acid-soluble iron in paper

T 435 om-16 Hydrogen ion concentration (pH) of paper extracts (hot extraction method)

T 493 cm-10 Identification and determination of melamine resin in paper

T 600 om-15 Analysis of formaldehyde in aqueous solutions and of free formaldehyde in resins

T 610 sp-15 Preparation of indicators and standard solutions

T 613 cm-10 Analysis of caustic soda

T 618 cm-10 Analysis of limestone

T 621 cm-10 Analysis of rosin

T 624 cm-11 Analysis of soda and sulfate white and green liquors

T 628 cm-10 Analysis of rosin size

T 632 cm-11 Analysis of sodium silicate

 

Participating in a SSIG is free and open to anyone interested. Join now!

If no progress is made on balancing these SSIGs, then the respective methods may be considered for withdrawal at the next Q&SMC meeting. If you have an interest in becoming a member of either of these SSIGs please contact standards@tappi.org.