彩票一分彩

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                乳果糖

                更新:2018-11-25 10:57:51

                  中文名:乳果糖
                  英文名:Lactulose
                  别名:乳果糖;乳酮糖;4-β-D-半乳糖苷-D-果糖;4-O-β-D-吡喃半乳糖基-4-D-呋喃果糖
                  CAS No.:4618-18-2级别:Reagent Grade
                  分子式:C12H22O11分子量:342.3
                订购信息
                  货号规格价格品牌
                  L3480-5g5g356GBCBIO
                  L3480-25g25g667GBCBIO
                产品介绍
                  质检项目指标值
                  含量,%≥99.0


                  化学性质:

                  六方体片状结晶。味甜,甜度比☉乳糖甜,但不如蔗糖。酸中水解产生半乳糖和果糖。水中溶解度(w/w):30℃时76.4%,60℃时81%,90℃时>86%。熔点169℃(每分钟1℃)。有变旋性,24小时后稳定。比旋光度[α]20D-51.4°(c=4,pH 4.8水中)。

                  用途:

                  生化研究。医药(轻泻剂)


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