<br><div><section class="_135editor" data-role="paragraph" style="font-size: medium; max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; font-size: 15px; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">　　答 氨基硅油赋予织物的各种性质，如手感、滑度、丰满度等都是由聚合物中的氨基带来的。硅油中的氨基含量常用氨值来表示，它是指中和1g氨基硅油所需的0．1mol／L盐酸的毫摩尔数。因此，氨值直接与硅油中氨基含量的摩尔百分数成正比。具体操作步骤为：准确配制0．1mol／L盐酸标准溶液A，用干燥的碳酸钠(120℃，10h)标定(精确至0．0001)。准确称取试样(约19，精确至0．0001g)于250mL锥形瓶中，用30mL甲苯(分析纯)和15mL异丙醇(分析纯)溶解，滴入3～4滴溴酚蓝指示剂。用标准盐酸溶液A滴定，以溶液颜色由蓝色变为淡黄色(明显的突跃)为终点，记录此时盐酸溶液体积V</span><sub style="max-inline-size: 100%; margin: 0px; padding: 0px; font-size: 10.5px; overflow-wrap: break-word !important; outline: none 0px !important;">1</sub><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">做空白试验。</span></span></p><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-size: 14px; text-align: center; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><img src="http://dayaotex-img.gz.bcebos.com/article/fffspic/rzynd6z34.png" _src="http://dayaotex-img.gz.bcebos.com/article/fffspic/rzynd6z34.png" data-ratio="0.15165876777251186" data-w="422" style="max-inline-size: 100%; margin: 0px; padding: 0px; max-width: 100%; overflow-wrap: break-word !important; outline: none 0px !important; height: auto !important;"></p></section><section style="max-inline-size: 100%; margin: 0px; padding: 0px; -webkit-tap-highlight-color: rgba(0, 0, 0, 0); font-size: 14px; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; font-size: 15px; overflow-wrap: break-word !important; outline: none 0px !important;">　　式中：m为试样质量，g<sub style="max-inline-size: 100%; margin: 0px; padding: 0px; font-size: 10.5px; overflow-wrap: break-word !important; outline: none 0px !important;">1</sub>V<sub style="max-inline-size: 100%; margin: 0px; padding: 0px; font-size: 10.5px; overflow-wrap: break-word !important; outline: none 0px !important;">1</sub>为试样消耗盐酸标准溶液A的体积，mL；V<sub style="max-inline-size: 100%; margin: 0px; padding: 0px; font-size: 10.5px; overflow-wrap: break-word !important; outline: none 0px !important;">0</sub>为空白样消耗盐酸标准溶液A的体积，mL；C为标准盐酸溶液A的物质的量浓度，mol／L。如所用标准滴定溶液的浓度与规定不相同时，应进行恰当修正。所得结果应保留两位小数。</span></p></section><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p></section><section class="_135editor" data-role="paragraph" id="autoparagraph" style="font-size: medium; max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif; font-size: 17px; caret-color: rgb(255, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"></p></section></div>