一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
010-86108875
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List Perfluoroheptanoic acid
375-85-9

Perfluoroheptanoic acid synthesis

11synthesis methods
-

Yield:375-85-9 89 g

Reaction Conditions:

with water at 50; for 3 h;Temperature;

Steps:

3.2 Example 3
(2) The resulting product was added to the fluorination reactor at a temperature of 50 ,From the bottom of the reactor 200ml / min speed of 25% of the fluorine gas. Continued ventilation 25 hours,Sampling test, the raw material completely reacted. Receipt of 112 grams,The yield was 96%, the product of fluorination was warmed to 50 ° C, 9 g of deionized water was added,Continue stirring for 3 hours. Negative pressure distillation, to give the product 89 grams, purity 96.2%. The overall yield of 75.6%.

References:

Jinan Qifu New Materials Co., Ltd.;Zhang Liting CN106831388, 2017, A Location in patent:Paragraph 00114; 0015; 0016

FullText

Perfluoroheptanoic acid Related Search:

福海县| 凉城县| 兴和县| 大冶市| 遵义市| 开平市| 中宁县| 汝南县| 和田县| 岳西县| 五原县| 东阳市| 清镇市| 根河市| 锦州市| 尉氏县| 克拉玛依市| 教育| 浦城县| 塘沽区| 罗田县| 兰坪| 前郭尔| 小金县| 平塘县| 西青区| 格尔木市| 丰台区| 丹凤县| 万年县| 闸北区| 绥芬河市| 鱼台县| 区。| 大荔县| 长岛县| 积石山| 大理市| 深圳市| 会昌县| 宜兰市|