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
久久久久一区二区三区| 亚洲专用播放器| 中国特级毛片| 亚洲av加勒比| 三级A片高清视频| 日韩一级一级| 黄色中文字幕在线| 亚洲成人无码av网站| 99黄色电影网站| 91AV电影| 黄色一级片电影大香蕉| 免费黄色网址视频| 玖玖a片| 国产人兽在线| 久久久久九九九久久| 日韩美AV不卡| 亚洲黄色A片| 中国少妇黄A片| 成人网站A区B区C区| 日韩欧丝袜无码电影| 青青草成人AV| 91色色成人在线| 亚洲AV无码之国| 亚洲性爱一区二区三区| 免费av一区| 91操熟女| 亚洲少妇偷情激情网| 97视频日韩| 婷婷成人色情电影| 岛国一级A片| 色洛洛最新网址| 日本一级特黄A片| 国产性爱精品AV| 狼友午夜福利路线| 日韩精品| 亚洲瑟瑟网站在线观看| 手机在线免费看AV| 欧美熟女一区| 少妇性爱视频91| 乱親女H穢亂长久久久| 嫖妓精品23|