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Determination of Ammonium in Soils
Ammonium is the naturally preferred source of nitrogen for plant growth and there is an increasing global demand for organic food products.
Ammonium in Effluents
Step-by-step method describing the photometric determination of ammonium ions in effluents using Spectroquant® test kits and spectrophotometer.
河流中的铵
分步操作说明：使用Spectroquant®测试试剂盒和分光光度计通过光度法测定河流中的铵离子。
Determination of Ammonium in Compost
Photometric measurement of ammonium ions in compost samples by indophenol blue method using Spectroquant® test kits and spectrophotometer.
Determination of Ammonium in Mineral Fertilizer
Photometric determination of ammonium ions in mineral fertilizer samples by indophenol blue method using Spectroquant® test kits and spectrophotometer.
Determination of Ammonium in Organic Fertilizer
Photometric determination of ammonium ions in organic fertilizers by indophenol blue method using Spectroquant® test kits and spectrophotometer.
Photometric Determination of Ammonium in Manure
Learn about the photometric determination of ammonium ions in manure samples by indophenol blue method using Spectroquant ® test kits and spectrophotometer.
Analytical Method: COD Measurement in Waste Water (Rapid-Digestion Method)
Analytical Method COD measurement in wastewater - Photometric determination of chromate consumption subsequent to digestion in 20 min.
分析方法：废水中COD的测量（快速消化法）
分析方法 废水中COD的测定 - 消化20分钟后铬酸盐消耗量的光度测定。
Determination of Nitrate in Manure
Learn about the photometric determination of nitrate ions in manure using Spectroquant® test kits and spectrophotometer.
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