ASTM International - ASTM E200-08
Standard Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis
| Organization: | ASTM International |
| Publication Date: | 15 December 2008 |
| Status: | inactive |
| Page Count: | 16 |
| ICS Code (Chemical reagents): | 71.040.30 |
significance And Use:
The accuracy of many analytical measurements is dependent upon the manner in which the standard solutions are prepared and stored, and the accuracy with which they are standardized. Combining the... View More
scope:
1.1 This practice covers procedures for the preparation, standardization, and storage of the standard volumetric solutions and reagent testing solutions commonly used in chemical analysis.
1.2 The information in this practice is arranged as follows:
| Sections | |
| Referenced Documents | 2 |
| Terminology | 3 |
| Significance and Use | 4 |
| Apparatus | 5 |
| Temperature effects | 6 |
| Measurements | 7 |
| Reagents | 8 |
| Concentration of solutions | 9 |
| Mixing of solutions | 10 |
| Storage of solutions | 11 |
| Preparation and standardization of solutions | 12 |
| Precision and Bias | 13 |
| Sodium hydroxide solution, 0.02 to 1.0 meq/mL (N) | 14 to 19 |
| Hydrochloric acid, 0.02 to 1.0 meq/mL (N) | 20 to 28 |
| Sulfuric acid, 0.02 to 1.0 meq/mL (N) | 29 to 33 |
| Hydrochloric acid, special 1 meq/mL (N) | 34 to 38 |
| Sulfuric acid, special 1meq/mL (N) | 39 to 43 |
| Silver nitrate solution, 0.1 meq/mL (N) | 44 to 48 |
| Ammonium thiocyanate solution, 0.1 meq/mL (N) | 49 to 53 |
| Iodine solution, 0.1 meq/mL (N) | 54 to 58 |
| Sodium thiosulfate solution, 0.1 meq/mL (N) | 59 to 63 |
| Potassium permanganate solution, 0.1 meq/mL (N) | 64 to 68 |
| Potassium dichromate solution, 0.1 meq/mL(N) | 69 to 73 |
| Methanolic sodium hydroxide solution, 0.5 meq/mL (N) | 74 to 79 |
| Ceric sulfate solution, 0.1 meq/mL (N) | 80 to 84 |
| Acetous perchloric acid, 0.1 meq/mL (N) | 85 to 89 |
| Disodium ethylenediaminetetra | 90 to 94 |
| Standard ion solutions | 95 |
| Nonstandardized reagent solutions and indicator solutions | 96 |
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.
1.4 This standard does not purport to address all of the safety concerns, 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 warning statements are given throughout this practice.
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