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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Store in well stoppered amber glass containers.
ASTM D1141 – 98(2013)
Link to Active This link will always route to the current Active version of the standard. Store in well stoppered glass containers. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Synthetic adtm is also known as artificial seawater and substitute ocean water.
The tables below present an example of an artificial seawater Artificial seawater abbreviated ASW is a mixture of dissolved mineral salts and sometimes vitamins that simulates seawater.
Current d1411-98 approved Aug. Add mL of Stock Solution No. From asttm scientific perspectiveartificial seawater has the advantage of reproducibility over natural seawater since it is a standardized formula. Retrieved 10 November Webarchive template wayback links Articles with short description. 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.
Artificial seawater – Wikipedia
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. Last previous edition approved in as D —98e1. Originally approved in Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.
No other units of measurement are included in this standard. It is the responsibility astj the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
NOTE 2—The lack of organic matter, suspended matter, and marine life in this solution does not permit unquali?
Views Read Edit View history. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below.
Adjust the pH to 8.
Examples are for tests on oil contamination, detergency evaluation, and corrosion testing. Steady-state growth and ammonium uptake of a fast-growing marine diatom Archived at the Wayback Machine. Also the rapid depletion of reacting elements present in low concentrations suggests caution in direct application of results. Artificial seawater is primarily used in marine biology and in marine and reef aquariaand allows the easy preparation of media appropriate for marine organisms including algaebacteriaplants and animals.
Asfm a few millilitres of NaOH solution should be required.
Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM 1d141-98 the above address or at phonefaxor service astm. Also the rapid depletion of reacting elements present in low concentrations suggests caution in direct application of results. Astk Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Magnesium chloride MgCl 2. While all of the compounds listed in the recipe above are inorganicmineral salts, some artificial seawater recipes, such as Goldman and McCarthy make use of trace solutions of vitamins or organic compounds.
Note 2 — The lack of organic matter, suspended matter, and marine life in this solution does not permit unqualified acceptance of test results as representing performance in actual ocean water. A number in parentheses indicates the year of last reapproval. Unless otherwise indicated, it is intended that all reagents shall conform to the speci? Sodium bicarbonate NaHCO 3.
This page was last edited on 12 Novemberat Calcium chloride CaCl 2. 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.
asstm 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 asttm, salt atmospheres, or organic constituents are involved.
Reagents and Materials 5. Trace elements, occurring naturally in concentrations below 0. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Takashi Amano Herbert R.
Typically, laboratory grade water is used when making synthetic salts .