ASTM D512 PDF

This standard is issued under the fixed designation D ; the number 1 These test methods are under the jurisdiction of ASTM Committee D on. Specification limits in concrete are intended to minimize rebar corrosion Chloride content is needed for evaluation of use as a mix water ASTM D Last previous edition D – 2 Annual Book of ASTM Standards, Vol 4. Significance and Use Chloride ion is under regulation in water, and must.

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The following three test methods are included: Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. This solution contains no added chloride, and the potential reading will not ast, very stable. If the percent recovery is not within these limits, a matrix interference may be present in the sample selected for spiking. No other units of measurement are included in this standard.

The matrix and chemistry of the solution should be equivalent to the solution used in the collaborative study. D — 12 Remember me for one month.

We need your help! Both the powder mixture capsule form and the liquid indicator are available commercially. Other denatured ethanol formulae are not suitable. Not all chloride ion-selective electrodes are suitable for this test method, since the ionic strength adjustor is incompatible with some membranes. Refer to Appendix X1 for historical information. It is the responsibility of the analyst to assure the validity of this test method for untested matrices.

Diphenylcarbazone-Bromophenol Blue, for Chloride

Also note that preparation and dilutions of CISA should be made in a well-ventilated area, preferably a hood. D Specification for Reagent Water. Under these circumstances, one of the following remedies d521 be employed: Work Item s – proposed revisions of this standard.

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The method of least squares was used to determine the precision statement, with correlation of 0. Refer to Sections 14, 21, and 29 for further information. The concentration of the IRM should be in the concentration mid-range for the method chosen. The concentration range may be extended by dilution of an appropriate aliquot before the addition of the ionic strength adjustor. We are a non-profit group that run this website to share documents.

Then filter the solution to remove the precipitate, and dilute to 1 L with water. Enter your account email address to request a password reset: NOTE 9—The normality calculation is based on a 1: Store CISA in a polyethylene or glass container. This study should be repeated until the recoveries are within the limits given in sections Add 2 mL of fresh hydroquinone solution, and proceed as described in The spike must produce a concentration in the spiked sample that is 2 to 5 times the analyte concentration in the unspiked sample, or 10 to 50 times the detection limit of the test method, whichever is greater.

No other units of measurement are included in this standard. Processing waters and pickling solutions used in the food processing industries also require dependable methods of analysis for chloride. D Terminology Relating to Water.

It is highly detrimental to high-pressure boiler systems and to stainless steel, so monitoring is essential for prevention of damage. It is highly detrimental to aastm boiler systems and to stainless steel, so monitoring is essential for prevention of damage. NOTE 6—The use of indicator modifications and the presence of heavy metal ions can change solution colors without affecting dd512 of the determination.

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It is the responsibility of the analyst to determine the acceptability of this test method for the matrix being analyzed.

Do the same for each of qstm other three standards. Chloride analysis is widely used as a tool for estimating the cycles of concentration, such as in cooling tower applications. Acidified samples on which electrometric pH measurements have been made can be used for chloride determinations only if the pH electrode fill solution contains no chloride, for example, use a pH half cell and a double junction reference electrode with a sodium nitrate outer fill solution.

Record the millilitres of Hg NO3 2 solution added in each case. A dry powder mixture of the two indicator ingredients is stable for much longer periods. Print 1 2 3 4 5 page sstarting from page current page. Search book title Enter keywords for book title search.

ASTM D Chloride Ion in Water | CTLGroup

For a specific hazard statement, see Potentials are read using a pH meter having an expanded millivolt scale, or a selective-ion meter having a direct concentration readout capability. For ISE, analyze at least three working standards containing concentrations of chloride that bracket the expected sample concentration prior to analysis of samples to calibrate the titration or instrument.

This standard has been approved for use by agencies of the Department of Defense. D51 replicate must be taken through the complete analytical test method including any sample preservation and pretreatment steps.

Please fill this form, we will try to respond as soon as possible. The following three test methods are included: