分子式： CAS号： 性质：蓝至蓝灰粉末。在羊毛上染色牢度:日晒4～5，皂洗4～5。2-氨基-4-磺酰胺基-苯酚重氮化，与邻羧基二苯腙偶合，铜化后经过滤，干燥，粉碎而得。用于毛、丝、柞丝、锦纶、维纶的染色及印花。也用于皮革染色。
但金属离子与结合位点具有更强的亲和力，使蓝膜再生为紫膜的能力比质子化中性红强。
But metal canons have stronger affinity to the binding sites and higher ability of regeneration than neutral red has.
意大利人喜欢剪裁讲究、颜色中性化的衣服，比如黑色、白色、米色和海军蓝。
Italians favour well-tailored cuts in neutral colours like black, white, beige and navy.
他们招募了600名志愿者，大多数是本科生，并让他们在红、蓝，或中性背景下做各种基本的认知测试。
They recruited six hundred subjects, most of them undergraduates, and had them perform a variety of basic cognitive tests displayed against red, blue or neutral colored backgrounds.
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