Humic acid
        
        MDL:
MFCD00147177 
        Molecular Formula:
        Molecular Weight:
        Alias:
	腐殖酸,黄腐酸 
        Product order:
        
          
            | Name | Specifications | Packing | Price | Delivery | 
          
            | Humic acid | 黄腐酸FA ≥90% | 10g | RMB 74.8 | 促销 | 
          
            | Humic acid | 黄腐酸FA ≥90% | 50g | RMB 220 | 促销 | 
          
            | Humic acid | 黄腐酸FA ≥90% | 250g | RMB 685.3 | 促销 | 
        
         
        Character:
黑褐色或棕黑色无定形粉末。溶于氢氧化碱和碳酸溶液,溶于热浓硝酸呈深红色。有亲水性、离子交换性、络合性、分散性等综合性能。可聚合,其聚合物(聚腐殖酸)有耐热、耐盐性能。
  	腐植酸是植物残体,经煤化过程和生物化学作用而形成的天然矿化有机羧酸聚合物,没有定形的分子式和分子量,按其理化特征和分子量大小,可分为黄腐酸、棕腐酸、黑腐酸三种类型;黄腐酸分子量小(可溶于PH<2)的酸性溶液,活性官能团(总酸基9-10meg/克)、生物活性高、适宜做药用原料,棕腐酸次之、黑腐酸较差。所以,一般口服或注射腐植酸,都采用高纯度的黄腐酸;分子量较大的棕黑腐酸(或总HA),一般用于胃溃疡、烧烫伤、风湿关节炎火外伤止血等。
        Quality Standard:
腐植酸纯度              >99%
黄腐酸FA                ≥90%
抗酸沉淀PH              <2
水不溶物                <1%
PH                      5-7.5
重金属                  ≤50mg/kg
(PH≤2酸可溶)
        Storage:
密封干燥保存。
用途 	植物生长刺激素。
腐植酸大分子上连有羧基、羟基、羰基、醌基、甲氧基等官能团。与金属离子交换、吸附、络合、螯合等作用。在分散体系中作为聚电解质有凝聚、胶溶、分散等作用。
		
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