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1969年苏联曾在齐赫维斯基林化工厂用云杉香精油制造重香精油,但所得产品的皂化价和折射值不符合该产品国家规定(МРТУ—42 No 4543—67)的要求。为此,工厂于1970年与列宁格勒林学院协作改进质量。经多次试制研究,改变了工艺,制成了合乎标准要求的重香精油,得率为云杉原始香精油的10—12%。目前,该工厂对这种产品的年产量为300公斤。产品供应苏联喀山化学制药厂,用来制造一种专治肾结石的药剂,名叫《Пинабин》。
In 1969, the Soviet Union used the spruce essential oil to make heavy essential oils at the chemical plant in Qiqiwei Shilin, but the saponification price and the refraction value of the obtained products did not meet the requirements of the national regulations of the product (МРТУ-42 No 4543-67). To this end, the factory cooperated with the Leningradring Institute in 1970 to improve quality. After several trials and researches, we changed the technology and made a heavy essential oil that meets the standard requirements. The yield is 10-12% of the original essential oil of spruce. At present, the factory’s annual output of this product is 300 kg. The product was supplied to the Kazan Chemical and Pharmaceutical Factory in the Soviet Union for the manufacture of an agent for the treatment of kidney stones called “Пинабин”.