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间断化学分析仪土壤、食品和水质氨测定方法

发布时间:2009/03/02 00:45 下载:97 次 免费下载
Ammonia in Water, Waste Water and Soil Extracts and other aqueous samples 1.0 SCOPE AND APPLICATION 1.1 This method covers the determination of Ammonia in drinking water, surface and saline waters, domestic and industrial waters and soil extracts. 1.2 The applicable range of the method is from 0.01 to 2.00mg/L NH3 as N. The method range can be extended either by manual or SmartChem sample predilution. 1.3 Both micro and macro distillation equipment may be used. Refer to EPA 350.1 for distillation procedure. 1.4 This method is equivalent to USEPA method 350.1, 1971, modified March 1983; and Standard Methods 4500-NH3-G [19th, 20th Edition] and 4500-NH3-H [18th Edition]. 2.0 SUMMARY OF METHOD
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