本公司供應(yīng)其他無(wú)機(jī)酸DL L(+)80-90% 食品級(jí) DL L(+) 河南 高純，質(zhì)量保證，歡迎咨詢洽談。<\/p>
一 產(chǎn)品描述<\/span><\/span><\/strong> <\/p> 乳酸是以**金丹食品級(jí)乳酸為原料，采用純物理的方法精制技術(shù)生產(chǎn)而成。本品為無(wú)色澄清粘性液體，無(wú)不良?xì)馕叮⑺嵛，有引濕性，水溶液顯酸性反應(yīng)，與水、乙醇或**能任意混合，在**中不溶。<\/span><\/span> <\/p> 二基本信息<\/strong><\/span><\/span> <\/p> 化 學(xué) 名： 2-羥基丙酸<\/span><\/span> <\/p> 分 子 式： CH<\/span>3<\/span>CHOHCOOH<\/span><\/span> <\/p> 分 子 量： 90.08<\/span><\/span> <\/p> CAS<\/span>號(hào)： 79-33-4<\/span><\/span> <\/p> 包 裝： 聚乙烯塑料桶裝，凈重 250kg/塑料桶或 25kg/塑料桶<\/span><\/span> <\/span><\/strong> <\/p> 三 技術(shù)指標(biāo) (參照標(biāo)準(zhǔn)：USP、JP、CP-2010)<\/span><\/span><\/strong> <\/p>色度，APHA<\/span><\/span><\/strong> <\/p><\/td>≤30<\/span><\/span><\/strong> <\/p><\/td><\/tr>色度(180℃，2小時(shí))，APHA<\/span><\/span><\/strong> <\/p><\/td>≤50<\/span><\/span> <\/p><\/td><\/tr>鑒別<\/span><\/span><\/strong> <\/p><\/td>水溶液呈酸性和乳酸鹽呈正反應(yīng)<\/span><\/span> <\/p><\/td><\/tr>檸檬酸、草酸、酒石酸及磷酸<\/span><\/span><\/strong> <\/p><\/td>不渾濁<\/span><\/span> <\/p><\/td><\/tr>硫酸鹽，%<\/span><\/span><\/strong> <\/p><\/td>≤0.001<\/span><\/span> <\/p><\/td><\/tr>氯化物，%<\/span><\/span><\/strong> <\/p><\/td>≤0.001<\/span><\/span> <\/p><\/td><\/tr>重金屬，%<\/span><\/span><\/strong> <\/p><\/td>≤0.0005<\/span><\/span> <\/p><\/td><\/tr>鉛，%<\/span><\/span><\/strong> <\/p><\/td>≤0.00005<\/span><\/span> <\/p><\/td><\/tr>鐵，%<\/span><\/span><\/strong> <\/p><\/td>≤0.0001<\/span><\/span> <\/p><\/td><\/tr>砷，%<\/span><\/span><\/strong> <\/p><\/td>≤0.0001<\/span><\/span> <\/p><\/td><\/tr>揮發(fā)性脂肪酸<\/span><\/span><\/strong> <\/p><\/td>不發(fā)出醋酸或丁酸的氣味<\/span><\/span> <\/p><\/td><\/tr>甲醇，%<\/span><\/span><\/strong> <\/p><\/td>無(wú)<\/span><\/span> <\/p><\/td><\/tr>易炭化合物<\/span><\/span><\/strong> <\/p><\/td>接界面不呈灰暗色<\/span><\/span> <\/p><\/td><\/tr>醚不溶物<\/span><\/span><\/strong> <\/p><\/td>通過(guò)EP<\/span><\/span> <\/p><\/td><\/tr>還原糖<\/span><\/span><\/strong> <\/p><\/td>不生成紅色沉淀<\/span><\/span> <\/p><\/td><\/tr>鈣，%<\/span><\/span><\/strong> <\/p><\/td>≤0.0001<\/span><\/span> <\/p><\/td><\/tr>灼燒殘?jiān)?<\/span><\/span><\/strong> <\/p><\/td>≤0.03<\/span><\/span> <\/p><\/td><\/tr>密度（20℃），g/ml<\/span><\/span><\/strong> <\/p><\/td>1.18<\/span>～1.23<\/span><\/span> <\/p><\/td><\/tr>含量，%<\/span><\/span><\/strong> <\/p><\/td>80<\/span>～90<\/span><\/span> <\/p><\/td><\/tr><\/tbody><\/table>
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