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Browse:361次木糖醇 食品级 保证品质 货源厂家 现货包邮

1-24 kg¥66.00

25-199 kg¥55.00

200 kgAbove¥50.00

Product Name:水溶性木糖醇

Inventory:999 kg(1kgSale)

Place of Origin:

Inventory address:上海

Exterior:白色至米黄色粉末

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Product Details
 性 状: 外形似白糖略带甜味的斜方晶体(稳定型)或单斜晶体(亚稳型)。斜方晶体的熔点61-61.5℃。单斜晶体的熔点93-94.5℃,沸点215-217℃。易溶于水,溶于乙醇及吡啶类溶剂。
密度:1.52
熔点:92℃
质量标准: 外观Appearance                          白色至米黄色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                              ≥98.0% (HPLC)
纯度Purity                              ≥99.0% (高氯酸滴定)
熔点Melting point(Decomposition)        91.0-95.0℃
水溶性试验Solubility in Water           合格(透明)
氯化物chloride (Cl)                     ≤50ppm
水溶解试验solubility in water           0.1 g/mL
水分Water                               <0.5 %
重金属Heavy metals (as Pb)              <10 ppm
硫酸盐灰分Sulfated ash                  <0.5 %
砷As                                    <3 ppm
还原性糖Reducing sugars                 <0.2 % 
贮 存: 密封干燥保存。
用途  生化研究。 
 

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