硬脂酸化学试剂

硬脂酸化学试剂 详细信息：
硬脂酸 ;司的令,十八酸,脂蜡酸,十八烷酸,十八碳烷酸 ;Octadecanoic acid
在90-100℃下慢慢挥发。几乎不溶于水（20℃时，100毫升水中只溶解0.00029g，溶于酒精，丙酮，易溶于、氯仿、苯、、二硫化碳、醋酸戊酯和甲苯等。
测定水硬度。比浊法中测定钙、镁和锂。测定相对分子量的溶剂。促进酸化的活性剂。
商品硬脂酸实际上是45%硬脂酸和55%软脂酸的混合物，并含有少量油酸，略带脂肪气味。

规格：99%

硬脂酸化学试剂  图片：


Stearic acid, stearic acid, stearic acid, stearic acid, stearic acid, stearic acid; octadecanoic acid
Slowly evaporating at 90-100 & lt; 0 & gt; C. Almost insoluble in water (20 ° C, 100 ml of water dissolved only 0.00029 g, soluble in alcohol, acetone, soluble in ether, chloroform, benzene, carbon tetrachloride, carbon disulfide, amyl acetate and toluene.
Determination of water hardness. Determination of Calcium, Magnesium and Lithium in Turbidimetric Method. Determination of the relative molecular weight of the solvent. An agent that promotes acidification.
Commercial stearic acid is actually a mixture of 45% stearic acid and 55% palmitic acid, and contains a small amount of oleic acid, slightly fat odor.

Specifications: 99%
Packing: 5g



包装：5g