ASTM D511-93(1998) - 10.4.1998
 
1. Scope

1.1 These test methods cover the determination of calcium and magnesium in water by complexometric titration and atomic absorption spectrophotometric procedures. Two test methods are included, as follows:

Sections Test Method A -- Complexometric Titration 7 to 14 Test Method B -- Atomic Absorption Spectrophotometric 15 to 23

1.2 This standard does not purport to address all of the safety problems, if any, associated with its use. 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. >Specific hazard statements are given in Notes 2 and 7.

 
2. Referenced Documents

D5847-22

Standard Practice for Writing Quality Control Specifications for Standard Test Methods for Water Analysis

D5810-96(2026)

Standard Guide for Spiking into Aqueous Samples

D4841-88(2018)

Standard Practice for Estimation of Holding Time for Water Samples Containing Organic and Inorganic Constituents

D4691-17(2025)

Standard Practice for Measuring Elements in Water by Flame Atomic Absorption Spectrophotometry

D1129-24

Standard Terminology Relating to Water

D1193-24

Standard Specification for Reagent Water

D2777-21

Standard Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water

D3370-25

Standard Practices for Sampling Water from Flowing Process Streams