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【国外标准】 Standard Test Methods of Sampling and Chemical Analysis of Chlorine-Containing Bleaches
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2024-02-28
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标准简介适用范围：
AbstractThese test methods detail the standard procedures for the sampling and chemical analysis of chlorine-containing bleaches including sodium hypochlorite (soda bleach) solutions, calcium hypochlorite, and chloroisocyanuric acids and their derived salts. Tests for sodium hypochlorite include the determination of available chlorine, sodium chlorate, total chorine, sodium chloride, total alkalinity as sodium oxide, and free alkali as sodium hydroxide. Tests for calcium hypochlorite include the determination of available chlorine, and water. And finally, tests for chloroisocyanuric acids and their derived salts include the determination of available chlorine by iodometric-thiosulfate and arsenite-iodometric methods, and moisture.1.1 These test methods cover the sampling and chemical analysis of chlorine-containing bleaches. The methods appear in the following order: SectionsSodium Hypochlorite (Soda Bleach) Solutions: Sampling 5 Available Chlorine 6 – 9 Sodium Chlorate 10 – 14 Total Chlorine 15 – 18 Sodium Chloride 19 and 20 Total Alkalinity as Sodium Oxide (Na2O) 21 – 24 Free Alkali as Sodium Hydroxide (NaOH) 25 – 28Calcium Hypochlorite: Sampling 30 Available Chlorine 31 – 34 Water 35 – 40Chloroisocyanuric Acids and Their Derived Salts: Sampling 42 Available Chlorine (Iodometric—Thiosulfate Method) 43 – 46 Available Chlorine (Arsenite—Iodometric Method) 47 – 50 Moisture 51 – 541.2 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. Material Safety Data Sheets are available for reagents and materials. Review them for hazards prior to usage.
标准号：
ASTM D2022-89(2016)
标准名称：
Standard Test Methods of Sampling and Chemical Analysis of Chlorine-Containing Bleaches
英文名称：
Standard Test Methods of Sampling and Chemical Analysis of Chlorine-Containing Bleaches标准状态：
Active-
发布日期：
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