ASTM D6050-09
(Test Method)Standard Test Method for Determination of Insoluble Solids in Organic Liquid Hazardous Waste
Standard Test Method for Determination of Insoluble Solids in Organic Liquid Hazardous Waste
SIGNIFICANCE AND USE
A high percentage of insoluble, suspended solid material can create pumping, filtering, or grinding difficulties in the off-loading of bulk shipments of OLHW and can contribute to excessive wear on processing equipment. High solids can also decrease the quality and consistency of commingled solutions by decreasing the effectiveness of agitation in storage tanks. These issues are of concern to the recycling industries (solvents, paints, and other materials handled in significant quantities) in addition to those activities that propose to use the waste as a fuel.
SCOPE
1.1 This test method covers the determination of the approximate amount of insoluble, suspended solid material in organic liquid hazardous waste (OLHW).
1.2 This test method is intended to be used in approximating the amount of insoluble, suspended solids in determining the material handling characteristics and fuel quality of OLHW. It is not intended to replace more sophisticated procedures for the determination of total solids.
1.3 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.
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Designation: D6050 − 09
StandardTest Method for
Determination of Insoluble Solids in Organic Liquid
1
Hazardous Waste
This standard is issued under the fixed designation D6050; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope off-loading of bulk shipments of OLHW and can contribute to
excessive wear on processing equipment. High solids can also
1.1 This test method covers the determination of the ap-
decrease the quality and consistency of commingled solutions
proximate amount of insoluble, suspended solid material in
by decreasing the effectiveness of agitation in storage tanks.
organic liquid hazardous waste (OLHW).
These issues are of concern to the recycling industries
1.2 Thistestmethodisintendedtobeusedinapproximating
(solvents, paints, and other materials handled in significant
the amount of insoluble, suspended solids in determining the
quantities) in addition to those activities that propose to use the
material handling characteristics and fuel quality of OLHW. It
waste as a fuel.
isnotintendedtoreplacemoresophisticatedproceduresforthe
determination of total solids.
5. Apparatus
1.3 This standard does not purport to address all of the
5.1 Centrifuge—Capableofspinningtwoormorecentrifuge
safety concerns, if any, associated with its use. It is the
tubes at a speed controlled to give a relative centrifugal force
responsibility of the user of this standard to establish appro-
ofbetween1200to1400.Thespeedtoachievethisisgenerally
priate safety and health practices and determine the applica-
between 3100 to 3600 rpm. The rotation speed necessary to
bility of regulatory limitations prior to use.
achieve the relative centrifugal force can be determined from
one of the following equations:
2. Referenced Documents
2.1 ASTM Standards:
rcf
rpm 5 1335 (1)
Œ
D96 Test Method for Water and Sediment in Crude Oil by d
2
Centrifuge Method (Field Procedure)
rcf
rpm 5 265Π(2)
3. Summary of Test Method d
3.1 A 10-mL aliquot of OLHW sample is decanted into a
where:
15-mL graduated centrifuge tube and centrifuged for 3 min.
rpm = rotation speed, in revolutions per min,
The separated liquid phase of the OLHW is decanted into an
rcf = relative centrifugal force,
appropriate waste vessel. The centrifuge tube with the sepa-
d = diameter of swing, in mm (Eq 1) or in. (Eq 2),
rated solid material is brought back to its original 10-mL
measured between the tips of opposite tubes when the
volume with a user-selected blend of clean solvents and
tubes are in rotating position.
agitated to mix the solid and liquid phases. The tube is
NOTE 1—Eq 1 and Eq 2 are described in Test Method D96.
centrifuged for 2 min, and the amount of remaining solid
5.2 Centrifuge Tubes— Centrifuge tubes shall be cone
material is read.
shaped, made of glass or a solvent resistant plastic or polymer,
have a minimum capacity of 15 mLwhen filled to volume, and
4. Significance and Use
graduated with minimum subdivisions of 0.5 mL. Class A
4.1 Ahighpercentageofinsoluble,suspendedsolidmaterial
centrifuge tubes are recommended. If any grade other than
can create pumping, filtering, or grinding difficulties in the
Class A is used, refer to the section on Calibration and
Standardization.
1
This test method is under the jurisdiction of ASTM Committee D34 on Waste
Management and is the direct responsibility of Subcommittee D34.01.06 on
6. Reagents and Materials
Analytical Methods.
Current edition approved Feb. 1, 2009. Published May 2009. Originally
6.1 Purity of Reagents—Reagent grade chemicals shall be
´1
approved in 1997. Last previous edition approved in 2003 as D6050 – 97(2003) .
used in all tests. Unless otherwise indicated, it is intended that
DOI: 10.1520/D6050-09.
2
all reagents conform to the specifications of the Committee on
Withdrawn. The approved version of this historical standard is referenced on
www.astm.org. Analytical Reagents of the American Chemical Society where
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
D6050 − 09
3
such specifications are available. Other grades may be used, 9.3 Set the centrifuge speed (r/min) to provide a minimum
providing that it is first ascertained that the reagent is of relative centrifugal force between 1200 to 1400 (see 5.1).
sufficiently high purity to permit its use without lessening the
9.4 Engage centrifuge, and allow to spin for 3 min.
accuracy of the determination.
9.5 Remove the tube containing OLHW, and decant the
6.2 Clean Solvent Blend—The user should formulate the
sepa
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it 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 version
of the standard as published by ASTM is to be considered the official document.
´1
Designation:D6050–97 (Reapproved 2003) Designation:D6050–09
Standard Test Method for
Determination of Insoluble Solids in Organic Liquid
1
Hazardous Waste
This standard is issued under the fixed designation D 6050; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1
´ NOTE—Equations 1 and 2 were corrected editorially in June 2003.
1. Scope
1.1 This test method covers the determination of the approximate amount of insoluble, suspended solid material in organic
liquid hazardous waste (OLHW).
1.2 This test method is intended to be used in approximating the amount of insoluble, suspended solids in determining the
material handling characteristics and fuel quality of OLHW. It is not intended to replace more sophisticated procedures for the
determination of total solids.
1.3 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
2.1 ASTM Standards:
2
D96 Test MethodsMethod for Water and Sediment in Crude Oil by Centrifuge Method (Field Procedure)
3. Summary of Test Method
3.1 A 10-mL aliquot of OLHW sample is decanted into a 15-mL graduated centrifuge tube and centrifuged for 3 min. The
separated liquid phase of the OLHW is decanted into an appropriate waste vessel. The centrifuge tube with the separated solid
material is brought back to its original 10-mL volume with a user-selected blend of clean solvents and agitated to mix the solid
and liquid phases. The tube is centrifuged for 2 min, and the amount of remaining solid material is read.
4. Significance and Use
4.1Facilities utilizing bulk liquid hazardous waste fuels are concerned about material handling characteristics and the overall
quality of the fuel. A high percentage of insoluble, suspended solid material can create pumping, filtering, or grinding difficulties
in the off-loading of bulk shipments of OLHWand can contribute to excessive wear on processing equipment. High solids can also
decrease the quality and consistency of commingled fuel by decreasing the effectiveness of agitation in storage tanks.
4.1 A high percentage of insoluble, suspended solid material can create pumping, filtering, or grinding difficulties in the
off-loading of bulk shipments of OLHW and can contribute to excessive wear on processing equipment. High solids can also
decrease the quality and consistency of commingled solutions by decreasing the effectiveness of agitation in storage tanks. These
issues are of concern to the recycling industries (solvents, paints, and other materials handled in significant quantities) in addition
to those activities that propose to use the waste as a fuel.
5. Apparatus
5.1 Centrifuge—Capable of spinning two or more centrifuge tubes at a speed controlled to give a relative centrifugal force of
between 1200 to 1400. The speed to achieve this is generally between 3100 to 3600 rpm. The rotation speed necessary to achieve
the relative centrifugal force can be determined from one of the following equations:
rcf
rpm 5 1335 (1)
Œ
d
1
This test method is under the jurisdiction of ASTM Committee D34 on Waste Management and is the direct responsibility of Subcommittee D34.01.06 on Analytical
Methods.
Current edition approved March 10, 2003. Published June 2003. Originally approved in 1997. Last previous edition approved in 1997 as D6050–97.
´1
Current edition approved Feb. 1, 2009. Published May 2009. Originally approved in 1997. Last previous edition approved in 2003 as D 6050 – 97(2003) .
2
Withdrawn.
2
Withdrawn. The approved version of this historical standard is referenced on www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
D6050–09
rcf
rpm 5 265 (2)
Œ
d
where:
rpm = rotation speed, in revolutions per min,
rcf = relative centrifugal force,
d = diameterofswing,inmm(Eq1)orin.(Eq2),measuredbetweenthetipsofoppositetubeswhenthetubesareinrotating
position.
NOTE 1—Eq 1 and Eq 2 are described in Test Method D 96.
5.2 Centrifuge Tubes— Centrifuge tubes shall be cone shaped, made of glass or a sol
...
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