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ASTM D5615-95(2001)

(Test Method)

Standard Test Method for Operating Characteristics of Home Reverse Osmosis Devices

Standard Test Method for Operating Characteristics of Home Reverse Osmosis Devices

SCOPE
1.1 This test method covers determination of the operating characteristics of home reverse osmosis devices using standard test conditions. It does not necessarily determine the characteristics of the devices operating on natural waters.
1.2 This test method is applicable for spiral-wound devices.  
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are 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 responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
14-Apr-1995
ICS
13.060.50 - Examination of water for chemical substances
Technical Committee
D19 - Water
Drafting Committee
D19.08 - Membranes and Ion Exchange Materials
Current Stage
Ref Project

Relations

Replaces
ASTM D5615-95 - Standard Test Method for Operating Characteristics of Home Reverse Osmosis Devices
Effective Date
15-Apr-1995
Replaced By
ASTM D5615-07 - Standard Test Method for Operating Characteristics of Home Reverse Osmosis Devices
Effective Date
15-Jun-2007

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ASTM D5615-95(2001) - Standard Test Method for Operating Characteristics of Home Reverse Osmosis DevicesASTM D5615-95(2001) - Standard Test Method for Operating Characteristics of Home Reverse Osmosis Devices
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ASTM D5615-95(2001) - Standard Test Method for Operating Characteristics of Home Reverse Osmosis Devices
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D5615–95(Reapproved2001)
Standard Test Method for
Operating Characteristics of Home Reverse Osmosis
1
Devices
This standard is issued under the fixed designation D5615; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 4. Summary of Test Method
1.1 This test method covers determination of the operating 4.1 This test method consists of determining the permeate
characteristicsofhomereverseosmosisdevicesusingstandard flow rate and sodium chloride rejection for reverse osmosis
test conditions. It does not necessarily determine the charac- devicesat345-kPa(50-psi)feedgagepressure,25°Cand22%
teristics of the devices operating on natural waters. conversion using an aqueous 300-mg/L sodium chloride solu-
1.2 This test method is applicable for spiral-wound devices. tion.
1.3 The values stated in SI units are to be regarded as the
5. Significance and Use
standard. The values given in parentheses are for information
5.1 Home reverse osmosis devices are typically used to
only.
1.4 This standard does not purport to address all of the remove salts and other impurities from drinking water at the
point of use. They are usually operated at tap water line
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro- pressure, with water containing up to several hundred milli-
grams per litre of total dissolved solids. This test method
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use. permits measurement of the performance of home reverse
osmosis devices using a standard set of conditions and is
2. Referenced Documents
intended for short-term testing (less than 24 h). This test
2.1 ASTM Standards: method can be used to determine changes that may have
2
D512 Test Methods for Chloride Ion in Water occurred in the operating characteristics of home reverse
D1125 Test Methods for Electrical Conductivity and Re- osmosisdevicesduringuse,butitisnotintendedtobeusedfor
2
sistivity of Water systemdesign.Thistestmethoddoesnotnecessarilydetermine
2
D1129 Terminology Relating to Water the device’s performance when solutes other than sodium
2
D1193 Specification for Reagent Water chloride are present. Use Practice D4516 and Test Methods
2
D1293 Test Methods for pH of Water D4194 to standardize actual field data to a standard set of
D2777 Practice for Determination of Precision and Bias of conditions.
2
Applicable Methods of Committee D19 on Water 5.2 This test method is applicable for spiral-wound devices.
D4194 Test Methods for Operating Characteristics of Re-
3 6. Apparatus
verse Osmosis Devices
D4516 Practice for Standardizing Reverse Osmosis Perfor- 6.1 Theapparatusforthetestmethodisdescribedschemati-
3
cally in Fig. 1.Aconductivity meter can be used to determine
mance Data
thesaltconcentrationinaccordancewithTestMethodsD1125.
3. Terminology
6.2 Installation:
3.1 Definitions—For definitions of terms used in this test 6.2.1 Materials of construction shall preferably be of plastic
method, refer to Terminology D1129. For descriptions of or stainless steel (use 316 or better to minimize corrosion) for
terms relating to reverse osmosis, refer to Test Methods all wetted parts to prevent contamination of the feed solution
D4194. bycorrosionproducts.Donotusereactivepipingmaterialsuch
as plain carbon steel, galvanized or cadmium-plated carbon
steel, and cast iron for piping. Ensure that no contamination
1
This test method is under the jurisdiction of ASTM Committee D19 on Water
will occur from oil films on new metal piping, release agents
and is the direct responsibility of Subcommittee D19.08 on Membranes and Ion
onrawplasticcomponents,orfeedsolutionsusedinthesystem
Exchange Materials.
previously. Whether stainless steel or plastic, all pressurized
Current edition approved April 15, 1995. Published June 1995. Originally
published as D5615–94. Last previous edition D5615–94.
components should be designed based on the manufacturer’s
2
Annual Book of ASTM Standards, Vol 11.01.
3
Annual Book of ASTM Standards, Vol 11.02.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D5615–95 (2001)
FIG. 1 Flow Schematic of Testing Apparatus
working pressure rating. Review the manufacturer’s rating for 6.3.2 Temperature—The permeate temperature must be
compliance with standard engineering practice. measured, and this should be accomplished close to the
6.2.2 The reverse osmosis testing apparatus is re
...

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5.1 Home reverse osmosis devices are typically used to remove salts and other impurities from drinking water at the point of use. They are usually operated at tap water line pressure, with water containing up to several hundred milligrams per litre of total dissolved solids. This practice permits measurement of the performance of home reverse osmosis devices using a standard set of conditions and is intended for short-term testing (less than 24 h). This practice can be used to determine changes that may have occurred in the operating characteristics of home reverse osmosis devices during use, but it is not intended to be used for system design. This practice does not necessarily determine the device’s performance when solutes other than sodium chloride are present. Use Practice D4516 and Test Methods D4194 to standardize actual field data to a standard set of conditions.  
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1.1 This practice covers determination of the operating characteristics of home reverse osmosis devices using standard test conditions. It does not necessarily determine the characteristics of the devices operating on natural waters.  
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1.1 This test method covers the determination of aldicarb, aldicarb sulfone, aldicarb sulfoxide, carbofuran, methomyl, oxamyl, and thiofanox (referred to collectively as carbamates in this test method) in water by direct injection using liquid chromatography (LC) and detected with tandem mass spectrometry (MS/MS). These analytes are qualitatively and quantitatively determined by this test method. This test method adheres to multiple reaction monitoring (MRM) mass spectrometry.  
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5.1 The first reported synthesis of BPA was by the reaction of phenol with acetone by Zincke.4 BPA has become an important high volume industrial chemical used in the manufacture of polycarbonate plastic and epoxy resins. Polycarbonate plastic and resins are used in numerous products including electrical and electronic equipment, automobiles, sports and safety equipment, reusable food and drink containers, electrical laminates for printed circuit boards, composites, paints, adhesives, dental sealants, protective coatings and many other products.5  
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1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
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1.2 A full collaborative study to meet the requirements of Practice D2777 has not been completed. This standard contains single-operator precision and bias based on single-operator data. Publication of standards that have not been fully validated is done to make the current technology accessible to users of standards, and to solicit additional input from the user community.  
1.3 A reporting limit check sample (RLCS) is analyzed during every batch to ensure that if an analyte was present in a sample at or near the reporting limit it would be positively identified and accurately quantitated within set quality control limits. A method detection limit (MDL) study was not done for this method, the method detection limits would be much lower than the reporting limits in this method and would be irrelevant. A RLCS was determined to be more applicable for this standard. If this method is adapted to report much lower or near the MDL then a MDL study would be warranted.  
1.4 Units—The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.5 The Reporting Range for the target analytes are listed in Table 1.  
1.5.1 The reporting limit in this test method is the minimum value below which data are documented as non-detects. The reporting limit is calculated from the concentration of the Level 1 calibration standard as shown in Table 6 after taking into account an 8 mL water sample volume and a final diluted sample volume of 10 mL (80 % water/20 % methanol).  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Standard Test Method for Determination of Nonylphenol, p-tert-Octylphenol, Nonylphenol Monoethoxylate and Nonylphenol Diethoxylate in Environmental Waters by Liquid Chromatography/Tandem Mass Spectrometry

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5.1 NP and OP have been shown to have toxic effects in aquatic organisms. The source of NP and OP is prominently from the use of common commercial surfactants. The most widely used surfactant is nonylphenol ethoxylate (NPEO) which has an average ethoxylate chain length of nine. The ethoxylate chain is readily biodegraded to form NP1EO, NP2EO, nonylphenol carboxylate (NPEC) and, under anaerobic conditions, NP. NP will also biodegrade, but may be released into environmental waters directly at trace levels. This method has been investigated and is applicable for environmental waters, including seawater.
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1.2 The method detection limit (MDL) and reporting limit (RL) for NP, NP1EO, NP2EO, and OP are listed in Table 1.    
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
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