亚洲天堂色图_日韩一级毛_牛牛热免费aV_一级作爱片_一级强奸A片_97超碰人人操人人操

亚洲天堂色图_日韩一级毛_牛牛热免费aV_一级作爱片_一级强奸A片_97超碰人人操人人操

亚洲天堂色图_日韩一级毛_牛牛热免费aV_一级作爱片_一级强奸A片_97超碰人人操人人操

Service hotline: 0571-86692169

Potassium hydroxide

Product Name: Potassium Hydroxide
Product Name: Potassium Hydroxide(particle)
Packing price: 25kg/RMB
Purity specification: 90%-95%
Product Category: Pharmaceutical Intermediates
CAS No.: 1310-58-3

Molecular formula: KOH

Molecular weight: 56.1
Nature: Strong alkaline and corrosive. Absorb carbon dioxide to form potassium carbonate. The pH of the 0.1 mol/L solution was 13.5. White orthorhombic crystals, industrial products are white or light gray block or rod. Soluble in water, soluble in ethanol, slightly soluble in ether
Uses: There are many industrial applications, most of which are due to the reaction of potassium hydroxide with acids and the corrosive nature of potassium hydroxide itself. Widely used in pharmaceutical intermediates, various potassium salts, food additive ingredients.
Storage: This product is white granule or flake and powder solid or colorless transparent liquid. It is a strong alkali and is highly corrosive. Solids should be sealed and stored in a dry and ventilated warehouse to prevent moisture and heat, and should be stored separately from toxic and hazardous materials. When transporting and unloading, it should be lightly handled to prevent damage to the packaging.

亚洲天堂色图_日韩一级毛_牛牛热免费aV_一级作爱片_一级强奸A片_97超碰人人操人人操
97AV日本| 97人妻一区二区三区| 免费一级黄色AV片| 亚洲AV导航3| 成人三级视频| 午夜影院久久久久久久鸭| 人妖最猛网站视频777| α片免费在线视屏| 黄色电影A级片| 高清AV资源| 在线免费看黄| 亚州婷婷五月激情综合| 性爱A片一曲| 精品一区二区三区福利| 香蕉AV 在线| A级特级黄色片| 91av视频福利| 无码色情电影A片| 2011日韩无码| 精品99r| 免费色片网战| 色色成人網| 中国特黃影院| 免播放器av在线播放| 日韩黄网站| 欧洲A级黄色视频| 大香蕉精品| 国产性爱99| 成人A片黄色电影| 奇米激情视频久久| 性爱A视频| 东京天堂网| 一级AV黄色录像影片| 日韩成人久| 快手黃色A片视频| www.黄色片| 9999.av| AA网站无码色色片| 超碰天天日日| 色色色色五月| 欧州黄色网|