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ASTM D1141-98 PDF

1 This practice is under the jurisdiction of ASTM Committee D19 on Water and Last previous edition approved in as D –98ε1. We are a chemical company that manufactures Sea Salt ASTM D , water-rite . 年3月6日 ASTM D()海水代用品_能源/化工_工程科技_专业资料。Designation: D – 98 (Reapproved ) An American National.

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This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

ASTM D – 98() Standard Practice for the Preparation of Substitute Ocean Water

Only a few millilitres of NaOH solution should be required. Magnesium chloride MgCl 2. Artificial seawater abbreviated ASW is a mixture aetm dissolved mineral salts and sometimes vitamins that simulates seawater.

From Wikipedia, the free encyclopedia. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Link to Active This link will always route to the current Active version of the standard. The pH after adjustment with aatm. Add mL of this solution to Stock Solution No. Preparation of Substitute Ocean Water 6. A mixture of dissolved mineral salts and sometimes vitamins that simulates seawater. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Also the rapid depletion of reacting elements present in low concentrations suggests caution in direct application of results. Historical Version s – view previous versions of standard.

Examples are for tests on oil contamination, detergency evaluation, and corrosion testing. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address satm at phonefax zstm, or service astm.

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Where corrosion is involved, the results obtained from laboratory tests may not approximate those secured under natural testing conditions that differ greatly from those of the laboratory, and especially where effects of velocity, salt atmospheres, or organic constituents are involved.

Add astn of Stock Solution No. There are various applications for ASTM D synthetic seawater including corrosion studies, ocean instrument calibration and chemical processing. For preparation of substitute ocean water, aliquots of the first two stock solutions with added salt are combined in larger volume.

Retrieved 16 June Calcium d1141-89 CaCl 2. Unless otherwise indicated, it is intended that all reagents shall conform to the speci? Sodium sulfate Na 2 SO 4. Retrieved 10 November Retrieved from ” https: Views Read Edit View history.

Artificial seawater

Reagents and Materials 5. No other units of measurement are included in this standard. The substitute ocean water with heavy metals, prepared in accordance with Section 7, will have the complete composition shown in Table X1.

A number in parentheses indicates the year of last reapproval.

Trace elements, occurring naturally in concentrations below 0. Takashi Amano Herbert R. The tables below present an example of an artificial seawater Adjust the pH to 8. It is the responsibility of the user of this standard to x1141-98 appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Sodium bicarbonate NaHCO 3. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. An added refinement in adjustment of heavy metal concentration is provided by the addition of a small aliquot of the third stock solution to the previous solution. NOTE 2—The lack of organic matter, suspended matter, and marine life in this solution does not permit unquali? Also the rapid depletion of reacting elements present in low concentrations suggests caution in direct application of results.

Note 2 — The lack of organic matter, suspended matter, and asrm life in this solution does not permit unqualified acceptance of test results as representing performance in actual ocean water. Strontium chloride SrCl 2. This standard has been approved for use by agencies of the Department of Defense.

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. Store in well stoppered xstm containers.

Artificial seawater – Wikipedia

Webarchive template wayback links Articles with short description. Where corrosion is involved, the results obtained from laboratory tests may not approximate those secured under natural testing conditions that differ greatly from those of the laboratory, and especially where effects of velocity, salt atmospheres, or organic constituents are involved.

For preparation of substitute ocean water, aliquots of the? Examples are for tests on oil contamination, detergency evaluation, and corrosion testing.