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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Processing waters and pickling solutions used in the food processing industries also require dependable methods of analysis for chloride. Please help us to share our service with your friends.

ASTM D Chloride Ion in Water | CTLGroup

No items in cart. NOTE 6—The use of indicator f512 and the presence of heavy metal ions can change solution colors without affecting accuracy of the determination. NOTE 5—The prescribed acidification provides a satisfactory pH range 4 For information of interest in connection with this test method, and supporting data, refer to Clark, F.

Wait 1 to 2 min and record the result. This solution contains no added chloride, and the potential reading will not be very stable. D Guide for Spiking into Aqueous Samples. If the concentration of chloride is less than five times the detection limit for the method, a matrix spike duplicate MSD should be used.

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.

Unless otherwise indicated, it is intended that all reagents shall conform to the specifications of the Committee on Analytical Reagents of the American Chemical Society, where such specifications are available. Copyright Compu-tecture, Inc. This study should be repeated until the recoveries are within the limits given in sections Last previous edition approved in as D — Chloride analysis is widely used as a tool for estimating the cycles of concentration, such as in cooling tower applications.

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Precision and Bias from 3. A dry powder mixture of the two indicator ingredients is stable for much longer periods. Permission rights to photocopy the standard may also be secured from the ASTM website www. Referenced Qstm purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Sulfite and objectionable color or turbidity must be eliminated.

Salinidad Quimico – ASTM D512-12

Chloride ion is under regulation in waste water, and must, therefore, be measured accurately. If the percent recovery is not within these limits, a matrix interference may be present in the sample selected for spiking. Please copy and paste this embed script to where you want to embed Embed Script.

Add 2 mL of fresh hydroquinone solution, and proceed as described in Enter your personal d5122 email address to request a password reset: The chloride ion reacts with the mercuric thiocyanate to produce thiocyanate ion which in turn combines with ferric to form red ferric thiocyanate. Precision and Bias 6 Bromide, satm, and fluoride will be titrated or partially titrated with the chloride.

Under the allowances made in 1. Each replicate must be taken through the complete analytical test method including any sample preservation and pretreatment steps.

Salinidad Quimico – ASTM D – Free Download PDF

D — 12 Satm analysis is widely used as a tool for estimating the cycles of asgm, such as in cooling tower applications. Remember me for one month. There were no books found for the applied search filters. For example, solutions containing alphazurine may be bright blue when neutral, grayish purple when basic, blue-green when acidic, and blue-violet at the chloride end point.

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Allow the adtm to stand, protected from light, for at least 24 h after the addition of AgNO3. 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. Type II water was specified at the time of round robin testing of this test method. Standardize against the standard NaCl solution, using the procedure given in Section These matrices included natural and waste waters.

It is the responsibility of the analyst to assure the validity of this test method for untested matrices. Current edition approved June 15, Four sample levels were run on three days, and blanks were obtained for the water used.

Processing waters and pickling solutions used in the food processing industries also require dependable methods of astj for chloride. Refer to Sections 14, 21, and 29 for further information. We are a non-profit group that run this website to share documents.

Diphenylcarbazone-Bromophenol Blue, for Chloride

Under these circumstances, one of the following remedies must be employed: NOTE 7—The normality of the mercuric nitrate solution standard is based on a 2: Please login to your authorized staff account to use this feature. Sstm color may also interfere. This test method can be adapted for use with a selective-ion meter.