<section data-role="outer" label="Powered by 135editor.com" style="font-size: medium;"><section class="_135editor" data-tools="135编辑器" data-id="110577"><section style="text-align: center; margin: 10px auto;"><section style="display: flex; justify-content: center; align-items: center;"><section style="width: 60px; line-height: 0; flex-shrink: 0;"><svg version="1.1" id="图层_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 93.71 22.73" xml:space="default"><g><rect class="st0" style="fill:#72c1f4;" width="80" height="1"></rect><polygon class="st0" style="fill:#72c1f4;" points="76.27,16.4 72.52,16.4 77.99,0 81.75,0 "></polygon><polygon class="st1" style="fill:#ffae28;" points="86.19,22.73 80.55,22.73 88.07,0 93.71,0 "></polygon></g></svg></section><section style="font-size: 16px; letter-spacing: 1px; color: rgb(11, 67, 209); margin: 0px 10px;"><strong class="135brush" data-brushtype="text">必须知道的保险粉知识</strong></section><section style="width: 60px; line-height: 0; flex-shrink: 0;"><svg version="1.1" id="图层_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 94.71 22.73" xml:space="default"><g><rect x="14.71" y="21.73" transform="matrix(-1 5.493327e-11 -5.493327e-11 -1 109.4256 44.4508)" class="st0" style="fill:#72c1f4;" width="80" height="1"></rect><polygon class="st0" style="fill:#72c1f4;" points="17.44,6.32 21.2,6.32 15.72,22.73 11.97,22.73 "></polygon><polygon class="st1" style="fill:#ffae28;" points="7.52,0 13.16,0 5.64,22.73 0,22.73 "></polygon></g></svg></section></section><section style="background-color: rgb(240, 249, 255); padding: 25px 20px; margin-top: 17px;"><section data-op="division" style="display: flex; justify-content: space-between; align-items: center;"><section data-width="48%" style="width: 348.953px; max-width: 48%;"><section data-width="100%" style="width: 348.953px; max-width: 100%;"><img data-division="0,0,0.5,1" src="https://bcn.135editor.com/files/images/editor_styles/06254e0ffd74b77ed539a21020f0d3ec.png" data-width="100%" data-ratio="1.25" data-w="240" style="vertical-align: inherit; width: 348.953px; display: block; max-width: 100%;"></section></section><section data-width="48%" style="width: 348.953px; max-width: 48%;"><section data-width="100%" style="width: 348.953px; max-width: 100%;"><img data-division="0.5,0,0.5,1" src="https://bcn.135editor.com/files/images/editor_styles/1295f084aa7d69f0d7a96a55eabc8f14.png" data-width="100%" data-ratio="1.25" data-w="240" style="vertical-align: inherit; width: 348.953px; display: block; max-width: 100%;"></section></section></section><section data-autoskip="1" class="135brush" style="margin-top: 17px; text-align: justify; line-height: 1.75em; letter-spacing: 1.5px; font-size: 14px; color: rgb(68, 68, 68); background: transparent;"><p hm_fix="340:334" style="vertical-align: inherit;"><span style="text-decoration-style: solid; text-decoration-color: rgb(68, 68, 68); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif;">保险粉，化学名连二亚硫酸钠，又叫“低亚硫酸钠”、“快粉”，具有较强的还原性，被广泛用于纺织、印染、造纸等行业作漂白剂或还原剂，是基础化工的大宗产品。由于保险粉对于衣物成份的损伤对于氧化剂而言要小的很多,所以叫做“保险粉”它可以用于各种纤维的纺织品而不至于造成伤害。</span></p><p align="justify" style="vertical-align: inherit; margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); letter-spacing: 2px; line-height: 1.75em; font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;"><span style="color: rgb(68, 68, 68); text-decoration-style: solid; text-decoration-color: rgb(68, 68, 68); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif;">关于“保险粉”的名字还有另外一种解释：</span></p><p align="justify" style="vertical-align: inherit; margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); letter-spacing: 2px; line-height: 1.75em; font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;"><br></p><p align="justify" style="vertical-align: inherit; margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); letter-spacing: 2px; line-height: 1.75em; font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;"><span style="color: rgb(68, 68, 68); text-decoration-style: solid; text-decoration-color: rgb(68, 68, 68); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif;">保险粉是Na2S2O4，因为其中S的价态不常见,通常这种不常见的价态,说明了该物质通常不会很稳定,要么氧化性强,要么还原性强。其中S为+2价,偏低,因此显强还原性,因为其还原性比一般的物质都强,所以很容易被氧化,所以就可以保护其他还原性弱于他的物质,保护其不被氧化。</span></p><p align="justify" style="vertical-align: inherit; margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); letter-spacing: 2px; font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;"><br></p><p align="justify" style="vertical-align: inherit; margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); letter-spacing: 2px; line-height: 1.75em; font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;"><span style="color: rgb(68, 68, 68); text-decoration-style: solid; text-decoration-color: rgb(68, 68, 68); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif;">保险粉在安全上实际是不“保险”的,众多的事故表明连二亚硫酸钠的自燃性、爆炸性、毒害性、遇水或酸易燃的性质,以及其水溶液的不稳定等性质决定了它的危险性,一旦发生意外,其火灾危险性是巨大的.</span></p><section class="_135editor" style="margin: 0px; padding: 0px 0.5em; outline: 0px; max-width: 100%; color: rgb(51, 51, 51); font-size: 17px; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section data-style-type="5" data-tools="新媒体排版" data-id="1022536" class="_135editor" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section data-css="border-color: initial;border-style: none;border-width: 0px;color: rgb(49, 147, 105);font-family: Arial;padding: 0px" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; border-color: initial; border-style: none; border-width: 0px; color: rgb(131, 147, 209); font-family: Arial; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section data-css="border-bottom-color: rgb(236, 68, 68);border-bottom-style: solid;border-bottom-width: 2px;box-sizing:border-box;clear: both;color: rgb(51, 51, 51);margin: 1em 0px" style="margin: 1em 0px; padding: 0px; outline: 0px; max-width: 100%; border-bottom: 2px solid rgb(131, 147, 209); clear: both; color: rgb(51, 51, 51); overflow-wrap: break-word !important;"><section data-css="background-color: rgb(236, 68, 68);border-top-left-radius: 3px;border-top-right-radius: 3px;box-sizing:border-box;color: rgb(255, 255, 255);display: inline-block;height: 28px;padding:3px 10px 0px" style="margin: 0px; padding: 3px 10px 0px; outline: 0px; max-width: 100%; background-color: rgb(131, 147, 209); border-top-left-radius: 3px; border-top-right-radius: 3px; color: rgb(255, 255, 255); display: inline-block; height: 28px; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;">一、保险粉的特性及用途</span></section><section data-css="border-bottom-style: solid;border-bottom-width: 0px;border-color: transparent rgb(206,206,206);border-left-style: solid;border-left-width: 15px;border-top-style: solid;border-top-width:28px;box-sizing:border-box;display: inline-block;margin-left:2px;vertical-align:top" style="margin: 0px 0px 0px 2px; padding: 0px; outline: 0px; max-width: 100%; border-bottom: 0px solid transparent; border-top: 28px solid transparent; border-right-color: rgb(206, 206, 206); border-left: 15px solid rgb(206, 206, 206); display: inline-block; vertical-align: top; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></section></section></section></section></section></section></section></section></section><section class="_135editor" style="margin: 0px; padding: 0px 0.5em; outline: 0px; max-width: 100%; color: rgb(51, 51, 51); font-size: 17px; letter-spacing: 0.544px; background-color: rgb(255, 255, 255); font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><p style="vertical-align: inherit; margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="font-size: 14px; color: rgb(68, 68, 68); text-decoration-style: solid; text-decoration-color: rgb(68, 68, 68); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif;">连二亚硫酸钠，英文名为sodiumyfhposulite，分子式Na2S2O4；分子量174.11，危规号42012,UN编号1384，CAS号7775-14-6。<br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></span></p><p style="vertical-align: inherit; margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; line-height: 1.75em; letter-spacing: 2px; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="font-size: 14px; color: rgb(68, 68, 68); text-decoration-style: solid; text-decoration-color: rgb(68, 68, 68); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif;">外观为白色砂状结晶物或淡黄色粉末，略带有硫的味道熔点52-55度分解，沸点130度（分解）。</span></p><p style="vertical-align: inherit; margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; line-height: 1.75em; letter-spacing: 2px; overflow-wrap: break-word !important;"><br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><span style="font-size: 14px; color: rgb(68, 68, 68); text-decoration-style: solid; text-decoration-color: rgb(68, 68, 68); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif;">密度为1.02，引燃温度为130度。可溶于水，不溶于乙醇。本品属于自燃物品，具有刺激性，燃烧分解产物为硫化物。</span></p><section data-style-type="5" data-tools="新媒体排版" data-id="1254768" class="_135editor" style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><section data-css="border-color: initial;border-style: none;border-width: 0px;margin-top: 20px;padding: 0px" style="margin: 20px 0px 0px; padding: 0px; outline: 0px; max-width: 100%; border-color: initial; border-style: none; border-width: 0px; overflow-wrap: break-word !important;"><section data-css="background-color: #57d9ff;border-bottom-left-radius: 0px;border-bottom-right-radius: 20px;border-top-left-radius: 0px;border-top-right-radius: 20px;color: rgb(255, 255, 255);display: inline-block;padding: 5px 30px 5px 5px" style="margin: 0px; padding: 5px 30px 5px 5px; outline: 0px; max-width: 100%; background-color: rgb(131, 147, 209); border-radius: 0px 20px 20px 0px; color: rgb(255, 255, 255); display: inline-block; overflow-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><p data-css="color:rgb(255, 255, 255);min-width:1em" style="vertical-align: inherit; margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; min-width: 1em; overflow-wrap: break-word !important;"><span style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"><strong>用途：</strong></span></p></section></section></section></section><p style="vertical-align: inherit; margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; line-height: 1.75em; letter-spacing: 2px; overflow-wrap: break-word !important;"><br></p><p style="vertical-align: inherit; margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; line-height: 1.75em; letter-spacing: 2px; overflow-wrap: break-word !important;"><span style="font-size: 14px; color: rgb(68, 68, 68); text-decoration-style: solid; text-decoration-color: rgb(68, 68, 68); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif;">保险粉广泛用于纺织工业的还原性染色、还原清洗、印花和脱色及用作丝、毛、尼龙等物织的漂白，由于它不含重金属，经漂白后的织物色泽鲜艳，不易退色。但是保险粉对于除了还原染料以外的大多数染料有破坏作用。<br style="margin: 0px; padding: 0px; outline: 0px; max-width: 100%; overflow-wrap: break-word !important;"></span></p><p style="vertical-align: inherit; margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; line-height: 1.75em; letter-spacing: 2px; overflow-wrap: break-word !important;"><br></p><p style="vertical-align: inherit; margin-bottom: 0px; outline: 0px; max-width: 100%; clear: both; min-height: 1em; line-height: 1.75em; letter-spacing: 2px; overflow-wrap: break-word !important;"><span style="font-size: 14px; color: rgb(68, 68, 68); text-decoration-style: solid; text-decoration-color: rgb(68, 68, 68); font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif;">保险粉可以用于剥除衣物上的色迹，在印染厂当染色色花或需要剥除部分颜色时候，需要用保险粉处理,亦可以使一些陈旧性的灰黄色衣物的色泽更新。还可以用来中和被次氯酸钠或者高锰酸钾漂黄了的白色织物。</span></p></section></section></section><p hm_fix="340:334" style="vertical-align: inherit;"><br></p></section></section></section></section><section data-role="paragraph" class="_135editor"><p style="vertical-align: inherit;"><br></p></section></section>