Tiêu chuẩn quốc tế
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Số hiệu
Standard Number
ASTM E200-08
Năm ban hành 2008
Publication date
Tình trạng
W - Hết hiệu lực
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Tên tiếng Anh
Title in English Standard Practice for Preparation, Standardization, and Storage of Standard and Reagent Solutions for Chemical Analysis
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Chỉ số phân loại Quốc tế (ICS)
By field |
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Số trang
Page 16
Giá:
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Phạm vi áp dụng
Scope of standard 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: SectionsReferenced Documents 2Terminology 3Significance and Use 4Apparatus 5Temperature effects 6Measurements 7Reagents 8Concentration of solutions 9Mixing of solutions10Storage of solutions11Preparation and standardization of solutions12Precision and Bias13Sodium hydroxide solution, 0.02 to 1.0 meq/mL (N) 14 to 19Hydrochloric acid, 0.02 to 1.0 meq/mL (N)20 to 28Sulfuric acid, 0.02 to 1.0 meq/mL (N)29 to 33Hydrochloric acid, special 1 meq/mL (N)34 to 38Sulfuric acid, special 1meq/mL (N)39 to 43Silver nitrate solution, 0.1 meq/mL (N)44 to 48Ammonium thiocyanate solution, 0.1 meq/mL (N)49 to 53Iodine solution, 0.1 meq/mL (N)54 to 58Sodium thiosulfate solution, 0.1 meq/mL (N)59 to 63Potassium permanganate solution, 0.1 meq/mL (N) 64 to 68Potassium dichromate solution, 0.1 meq/mL(N)69 to 73Methanolic sodium hydroxide solution, 0.5 meq/mL (N) 74 to 79Ceric sulfate solution, 0.1 meq/mL (N)80 to 84Acetous perchloric acid, 0.1 meq/mL (N)85 to 89Disodium ethylenediaminetetraacetate solution, 0.05 mol/L(M)90 to 94Standard ion solutions95Nonstandardized reagent solutions and indicator solutions961.3 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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