日韩性爱女同性恋,玖玖综合日,不卡啪啪视频,4月婷久久,精品在线观看视频,亚洲一区精选自拍,日韩欧美人妻网站一区,麻豆精品视频一区二区,色尚和久久

  1. 首頁(yè)
  2. 化工助手
  3. 化學(xué)配方數(shù)據(jù)庫(kù)
  4. MISCELLANEOUS
化學(xué)配方數(shù)據(jù)庫(kù)
配方類型： MISCELLANEOUS
配方說(shuō)明： Copper Antitarnish
配方組成： "Kelzan"/0.23
Color/q.s.
*Buffer solution: 1.46 parts-1 M H3PO4
C: Buffer Solution*/q.s.
1 part-125 g/l Na3PO4
Water/78.55
D: "Triton" X-102/4.65
A: "Veegum" K/2.07
Benzotriazole/0.90
B: "Snow Floss"/13.60
E: Perfume and Preservative/q.s.
配制方法： Dry blend "Veegum" K and Kelzan and add to the water slowly, agitating continually until smooth. Add B to A gradually. Mix until smooth, then buffer this mixture to a pH of 2.5. Mix components in D until a clear solution is formed. Special care should be taken to avoid incorporation of air. Add D to other components very slowly and mix until uniform. Add E.

返回?cái)?shù)據(jù)庫(kù)查詢
QQ: 2241752642
微信二維碼
電話: 19906633110
兴宁市| 沁阳市| 汶川县| 综艺| 韶山市| 桐梓县| 临澧县| 莱西市| 五寨县| 木兰县| 从江县| 揭西县| 北碚区| 荃湾区| 前郭尔| 喀喇沁旗| 大庆市| 玉山县| 昆山市| 肇源县| 赞皇县| 从江县| 奉化市| 广昌县| 烟台市| 浮山县| 若尔盖县| 大邑县| 虞城县| 浦江县| 汉阴县| 泰宁县| 务川| 会东县| 绍兴市| 三河市| 长寿区| 孟连| 留坝县| 景洪市| 鄂伦春自治旗|