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GB/T 14643.4-2009
工业循环冷却水中菌藻的测定方法 第4部分:土壤真菌的测定 平皿计数法
Examination of bacteria and algae in industrial circulating cooling water - Part 4: Examination of soil fangi - Standard of plate count
GB/T 24234-2009
Cast iron - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (Routine method)
GB/T 14643.2-2009
工业循环冷却水中菌藻的测定方法 第2部分:土壤菌群的测定 平皿计数法
Examination of bacteria and algae in industrial circulating cooling water - Part 2: Examination of soil micro-bioti - Standard of plate count
GB/T 24288-2009
Paper and board - Determination of dominant wavelength and excitation purity - D65/10°diffuse reflectance method
GB/T 23323-2009
纺织品 表面活性剂的测定 乙二胺四乙酸盐和二乙烯三胺五乙酸盐
Textiles - Determination of surfactant - Ethylene diamine tetra acetate and diethylene triamine penta acetate
GB/T 23324-2009
Textiles - Determination of surfactant - Distearyl dimethyl ammonium chloride
GB/T 23513.2-2009
Chemical analysis methods for germanium concentrate - Part 2: Determination of arsenic content - Ferrous ammonium sulfate titration