one、 General State
Molecular formula:CsixHeightOseven·HtwoO，Molecular weight:twoone0.one4 nature狀： 無(wú)色、無(wú)臭、半透明的斜方結(jié)晶或白色結(jié)晶naturePowderend。有強(qiáng)酸味、帶水果味，stay潮濕的空氣中微有潮解nature。易溶于水(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(jié)晶中含有一個(gè)分子水，stay干燥空氣中風(fēng)化，stay潮濕空氣中潮解。比重one.five4two(一水物)至one.sixseven(無(wú)水物)，熔點(diǎn)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(guò)3點(diǎn)。 | The filtering time shall not exceedonemin，濾膜基本不變色，可目視顆粒不超過(guò)3點(diǎn)。 |
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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