1、Designation: D7047 04 D7047 12Standard Test Method forMucilloid Content of Plantago Insularis (Ovata, Psyllium)Used as a Tackifiers1This standard is issued under the fixed designation D7047; the number immediately following the designation indicates the year oforiginal adoption or, in the case of re
2、vision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 QuantitiveQuantitative test method to determine the mucilloid content of plantago insularis (Ovata
3、 Psyllium) used as atackifier.Psyllium).1.2 The purpose of this test method is to provide a means of evaluating the amount of mucilloid in a plantago insularis (Ovata,Psyllium) tackifier.Psyllium).1.3 The values stated in SI units are to be regarded as the standard. The values in parenthesis are pr
4、ovided for information only.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatorylimitations pr
5、ior to use.2. Terminology2.1 Definitions:2.1.1 For common definitions of terms in this standard refer to Terminology D635.2.1.2 tackifier, nin erosion control, a substance by which its characteristics are used for bonding various types of materialsand/or soil together.3. Summary of Test Method3.1 Pr
6、oduct specimen is taken and weighed, saturated and measured. The mucilloid content is expressed as a percent.4. Significance and Use4.1 The meaning of the test is related to the manufacturing and end use of the material, to determine characteristics of products.5. Apparatus5.1 Electronic Gram Scale
7、or Balance Scale, minimum accuracy 0.0000.1 gms.5.2 Graduated 50.0 mL Glass Cylinder , with ground glass stopper.5.3 Weighting Boat.5.4 60 Minute Timer, graduated in one minute intervals.6. Sampling, Test Specimens, and Test Units6.1 Prepare specimen by separating 3.0 g of plantago insularis (Ovata,
8、 Psyllium) used as a tackifier from an undamaged bagby taking 13 from the top of the bag, 13 from the middle of the bag and 13 from the bottom of the bag.7. Procedure7.1 Weigh weighting boat and place 1.0 g of the plantago insularis (Ovata, Psyllium) used as a tackifier specimen in theweighting boat
9、7.2 Transfer the sample in the weighting boat quantitatively to the graduated cylinder.1 This test method is under the jurisdiction of ASTM Committee D18 on Soil and Rock and is the direct responsibility of Subcommittee D18.25 on Erosion and SedimentControl Technology.Current edition approved May 1
10、 2004Aug. 1, 2012. Published June 2004October 2012. Originally approved in 2004. Last previous edition approved in 2004 as D704704.DOI: 10.1520/D7047-04.10.1520/D7047-12.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes
11、have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official
12、document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States17.3 Add 20 mls tap water to the cylinder then close cylinder with glass stopper.7.4 Shake the cylinder vigorously for 1 min.7.5 Set the timer for 60 min and start it, shake the
13、cylinder vigorously for 1 min when the timer indicates the minutes elapsedfor the procedure has reached 9, 19, 29, 39, 49, and 59.7.6 After shaking the cylinder for the final time, allow the cylinder to stand for 23 h.7.7 Record to the nearest ml the column which is a suspended solid.8. Calculation
14、or Interpretation of Results8.1 Calculate the percentage mucilloid as follows:Mucilloid Content%5S/W 3100 (1)where:S = mls of the suspended solid, andW = 20 mls of tap water.9. Report9.1 Report the equation as a percentage.10. Precision and Bias10.1 PrecisionIt is not possible to specify the precisi
15、on of the procedure in D7047 for mucilloid content of plantago insularis(Ovata, Psyllium) used as a tackifier because no material having an accepted reference value is available.10.2 BiasThere is no accepted reference value for this test method, therefore, bias cannot be determined.11. Keywords11.1
16、erosion control; mucilloid; muciloid; ovata; plantago insularis; psyllium; tackifierASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the
17、 validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your
18、 comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments
19、have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multi
20、ple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).D7047 122
