Standards Approved as American National Standards

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The following TAPPI Standards have been approved as American National Standards by the ANSI Board of Standards Review:

T 211 "Ash in wood, pulp, paper and paperboard: combustion at 525 degrees C
T 212 "One percent sodium hydroxide solubility of wood and pulp
T 240 "Consistency (concentration) of pulp suspensions"
T 252 "pH and electrical conductivity of hot water extracts of pulp, paper, and paperboard"
T 281 "Open drum washer mat sampling technique"
T 421 "Qualitative (including optical microscopic) analysis of mineral filler and mineral coating of paper"
T 444 "Silver tarnishing by paper and paperboard
T 464 "Water vapor transmission rate of paper and paperboard at high temperature and humidity"
T 525 "Diffuse brightness of paper, paperboard and pulp (d/0) -- ultraviolet level C
T 530 "Size test for paper by ink resistance (Hercules-type method)"
T 568 "Physical area of sub-visible contraries in pulp, paper, and paperboard by image analysis"
T 802 "Drop test for fiberboard shipping containers"
T 815 Coefficient of static friction (slide angle) of packaging and packaging materials (including shipping sack papers, corrugated and solid fiberboard) (inclined plane method)
T 821 "Pin adhesion of corrugated board by selective separation"
T 832 "Water absorption of corrugating medium: float curl method"
T 1212 "Light sources for evaluating papers including those containing fluorescent whitening agents"
T 1214 "Interrelation of reflectance, R0; reflectivity, R8; TAPPI opacity, C0.89; scattering, s; and absorption, k
T 1215 "The determination of instrumental color differences"
T 1216 "Indices for whiteness, yellowness, brightness, and luminous reflectance factor"
T 1217 "Photometric linearity of optical properties instruments"
T 1218 "Calibration of reflectance standards for hemispherical geometry"
T 1219 "Storage of paper samples for optical measurements and color matching"

Notices of these final approvals were placed in either the June 15, June 22, or July 7 editions of ANSI Standards Action.

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