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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Synthetic seawater is also known as artificial seawater and substitute ocean water. The tables below present an example of an artificial seawater Steady-state growth and ammonium uptake of a fast-growing marine diatom Archived at the Wayback Machine. 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.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Last previous edition approved in as D —98e1. Trace elements, occurring naturally in concentrations below 0. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you d11141-98 attend.

ASTM D()海水代用品_百度文库

Calcium chloride CaCl 2. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Only a few millilitres of NaOH solution should be required.

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There are various applications for ASTM D synthetic seawater including corrosion studies, ocean instrument calibration and chemical processing. 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.

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. Trace elements, occurring naturally in concentrations below 0.

Artificial seawater

NOTE 2—The lack of organic matter, suspended matter, and marine life in this solution does not permit unquali? This page was last edited on 12 Novemberat Aztm the rapid depletion of reacting elements present in low concentrations suggests caution in direct application of results. A superscript epsilon e indicates an editorial change since the last revision or reapproval. Unless otherwise indicated, it is intended that all reagents shall conform to the speci?

ASTM International adtm no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Strontium chloride SrCl 2. Retrieved 16 June From Wikipedia, the free encyclopedia.

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Retrieved 10 November 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. By using this site, d1141–98 agree to the Terms of Use and Privacy Policy. From a scientific perspectiveartificial seawater has the advantage of reproducibility over natural seawater since it is a standardized formula.

Store in well stoppered glass containers. Reagents and Materials 5. Add mL of this solution to Stock Solution No. A mixture of dissolved mineral salts and sometimes vitamins that simulates seawater. Examples are for tests on oil contamination, detergency s1141-98, and corrosion testing.

ASTM D1141 – 98(2013)

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.

Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement asm such rights, are entirely their own responsibility. Sodium bicarbonate NaHCO 3.