<section data-role="paragraph" class="_135editor" 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%; clear: both; min-height: 1em; cursor: text; font-size: 14px; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;">　　答 重金属离子在纺织品上能残留的有Cu、Cr、Co、Ni、Zn、Hg、As、Pb和cd等，这类金属离子一般在助剂中含量较少，在染料中，其平均浓度也各不相同da,Ec0-Tex规定重金属离子在纺织品中残留极限量如表6-3所示。</p><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; font-size: 14px; text-align: center; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><img src="http://dayaotex-img.gz.bcebos.com/article/fffspic/rzynd6z4.png" _src="http://dayaotex-img.gz.bcebos.com/article/fffspic/rzynd6z4.png" data-ratio="0.2436548223350254" data-w="591" style="max-inline-size: 100%; margin: 0px; padding: 0px; max-width: 100%; width: 450px; overflow-wrap: break-word !important; outline: none 0px !important; height: auto !important;"></p><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; font-size: 14px; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;">　　在印染助剂中，如阻燃剂三氧化二锑乳液，含有大量汞；防水剂CR(上海)、PhoboTex CR(汽巴)、Cerol c(山德士)、Quintolan W(ICI)等均为硬脂酸与三氯化铬在甲醇中生成的络合物，Cr<sup style="max-inline-size: 100%; margin: 0px; padding: 0px; font-size: 10.5px; overflow-wrap: break-word !important; outline: none 0px !important;">3+</sup>大大超过2mg／kg。在毛纺行业中用媒介染料染色时，所用媒染剂为重铬酸钾或重铬酸钠，有时也可用铬酸钠，均为六价铬的氧化物，毒性较大。</p><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>