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This test method determines the liquid sorption of bibulous paper, paperboard, and paper products using gravimetric principles.
Formerly under the jurisdiction of Committee D06 on Paper and Paper Products, this test method was withdrawn in December 2009 due to insufficient committee interest in reviewing and revising the standard.
1.1 This test method determines the liquid sorption of bibulous paper, paperboard, and paper products using gravimetric principles.
1.1.1 The procedure in this test method describes testing of absorbent materials such as those in 1.1. Similar testing may be done on composite absorbent products, incorporating cellulose and nonwoven fabrics, polymer films, or other similar materials for use such as absorbent pads, wipes, and so on with slight modification. This test method does not describe the application of this technique to textiles.
1.2 The standard test liquid is distilled water.
1.2.1 Other test liquids of interest may be used if desired, provided they are compatible with the liquid delivery system specified.
220.127.116.11 Examples of such test liquids include, but are not limited to, buffered solutions of distilled water, fruit or vegetable juices, milk, synthetic body liquids such as urine, and organic fluids such as salad oil, cooking oil, motor oil, and others.
1.3 The test liquid is delivered at an effective negative head pressure after initiating liquid flow (wicking). This allows the controlling sorptive properties to be demand wettability, the ability of the specimen to absorb through capillarity and surface wetting.
1.3.1 Using the equipment and principles described, absorption at other instrument configurations and head pressures, as well as desorption may be measured.
1.4 This test method measures both the rate and capacity of liquid sorption through demand wettability or wicking. Liquid capacity is defined as the point in the analysis where the sorption rate falls below 3.0 mg in 5 s. Agreed intermediate points are measured during the analysis to determine rate.
1.5 An analog or digital report of the sorptive behavior of the test specimen may be produced, if desired, to further characterize its sorptive behavior.
1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D585 Practice for Sampling and Accepting a Single Lot of Paper, Paperboard, Fiberboard, or Related Product
D644 Test Method for Moisture Content of Paper and Paperboard by Oven Drying
D685 Practice for Conditioning Paper and Paper Products for Testing
D724 Test Method for Surface Wettability of Paper (Angle-of-Contact Method)
D824 Test Method for Rate of Absorption of Water by Bilbulous Papers
D828 Test Method for Tensile Properties of Paper and Paperboard Using Constant-Rate-of-Elongation Apparatus
D1193 Specification for Reagent Water
D1968 Terminology Relating to Paper and Paper Products
D2177 Test Method for Ink Absorption of Blotting Paper
D3285 Test Method for Water Absorptiveness of Nonbibulous Paper and Paperboard (Cobb Test)
D4250 Test Method for Water-Holding Capacity of Bibulous Fibrous Products
D5455 Test Method for Short Term Liquid Sorption into Paper (Bristow Test)
E122 Practice Relating to Choice of a Sample Size to Estimate a Measure of Quality for a Lot or Process
TAPPI Test MethodsT523 Dynamic Measurement of Water Vapor Transfer Through Sheet Materials
INDA Test MethodIST10 Method for Absorption of Water