one、 General State
Molecular formula:CsixHeightOseven·HtwoO，Molecular weight:twoone0.one4 nature狀： 無色、無臭、半透明的斜方結晶或白色結晶naturePowderend。有強酸味、帶水(shui)果(guo)味，stay潮濕的空氣(qi)中微有潮解(jie)nature。易溶(rong)于水(shui)(一水物two09g/one00ml,twofive℃； Anhydrous matterfive9.twog/one00ml，two0℃；one% 溶液pH值為two.3one)及酒精。檸檬酸結晶中含有一個分子水，stay干燥空氣中風化，stay潮濕空氣中潮解。比重one.five4two(一水物)至one.sixseven(無水物)，熔點one3five℃(I) water and onefive3℃(no water). Natural products exist in citrus fruits such as lemon。
IITechnical indicators(implement national standards)GBone9eightseven-two00seven）
finger Subject name | Citric acid monohydrate | Anhydrous citric acid (attached) |
content % | 99.five-one00.five | 99.five-one00.five |
water content % | seven.five-9.0 | ≤0.five |
Sulfate（SO4） % ≤ | zero point zero one five | zero point zero one |
Chloride（Cl） % ≤ | zero point zero five | zero point zero five |
calcium（Ca） % ≤ | 0.0two | 0.0two |
iron （Fe） PPM ≤ | five | five |
arsenic （As） PPM ≤ | one | one |
lead （Pb）PPM ≤ | 0.five | 0.five |
Water insoluble matter | The filtering time shall not exceedonemin，濾膜基本不變色，可目視顆粒不超過3點。 | The filtering time shall not exceedonemin，濾膜基本不變色，可目視顆粒不超過3點。 |
3、 Use Way:
It is mainly used in food and beverage industry as sour agent, seasoning agent, preservative and preservative。It is also used as antioxidant, plasticizer and detergent in chemical industry, cosmetics industry and washing industry.
4、 Packaging and storage:
Citric acid monohydrate擁有twofivekgBaggedone000kgBag tray packagingfive00—one000kgBags and other packaging specifications.
stayStore in a dry and cool place away from light and sealed.
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