The peroxide fraction in fr esh THF produced. by BASF lies well below 1 mg/kg (< 1 ppm). However, due to the natur e of the product, it may rise during transpor t, ï¬lling, reï¬lling, storage and sampling. Properties. Tetrahydrofuran distilled pur e (THF) is a clear, colorless, low-boiling, volatile, polar liquid. It is a cyclic, aliphatic ether with a characteristic. odor reminiscent of acetone.
Pancreatic cancer is one of the few cancers for which survival has not improved substantially over nearly 40 years. Pancreatic cancer has the highest mortality rate of all major cancers. 91% of pancreatic cancer patients will die within five years of diagnosis â only 9% will survive more than five years.
For stage 4, thyroid metastatic cancers, the five year life expectancy is around 93.9 percent, while for the endocrine and lip cancer this statistics are around 91 percent. Providentially, for patients with these types of metastatic cancers, the life expectancy is very optimistic. The lowest rate of life expectancy for the patients with pancreatic cancer is 4.4 percent for the whites. For the Asians it is around 4.8 percent while for the blacks it is 4.4 percent.