广州供应:  小苏打
                                                                                                                                                                                                                                                                                
化学式:NaHCO3
分子量:84.01
性状:  食用小苏打NaHCO3.  性状：  白色粉末或细微结晶，无臭、味咸、易溶于水，但比碳酸钠在水中的溶解度小，微溶于乙醇，水溶液呈微碱性。受热易分解。在潮湿空气中缓慢分解。                                                                                                                                                                                                                                                                                                                                                                                        
指标名称    指标食品级
总碱量（以Na2C03计）,%    99.0
重金属((以Pb计),%    0.0005
砷盐(以As计),%    0.0001
pH值    8.6
于燥失量,%  ≤    0.20
铵盐    通过试验
澄清度    通过试验
    
主要用途：碳酸氢钠可直接作为制药工业的原料，用于治疗胃酸过多。还可用于电影制片、鞣革、选矿、冶炼、金属热处理，以及用于纤维、橡胶工业等。同时用作羊毛的洗涤剂，以及用于农业浸种等。  食品工业中一种应用最广泛的疏松剂，用于生产饼干、糕点、馒头、面包等，是汽水饮料中二氧化碳的发生剂；可与明矾复合为碱性发酵粉，也可与纯碱复合为民用石碱；还可用作黄油保存剂。消防器材中用于生产酸碱灭火机和泡沫灭火机。橡胶工业利用其与明矾、H发孔剂配合起均匀发孔的作用用于橡胶、海棉生产。冶金工业用作浇铸钢锭的助熔剂。机械工业用作铸钢(翻砂)砂型的成型助剂。印染工业用作染色印花的固色剂，酸碱缓冲剂，织物染整的后处理剂。染色中加入小苏打可以防止纱筒产生色花。医药工业用作制酸剂的料。                                                                                                                                                                                                                                                                                                                                                                                      
【详情请致电13925125836杨露滋】  CAS号144-55-8    国家标准GB1887-90