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学习手记丨天然彩色棉的检测方法

  • 2026-05-15 00:52:45
学习手记丨天然彩色棉的检测方法
我们知道，当前市面上销售的天然彩色棉产品只有“棕棉”和“绿棉”。
本文介绍了GB/T 42701—2023《纺织品 天然彩色棉的鉴别 化学显色法》中介绍的“天然彩色棉的”的检测方法。该方法适用于天然彩色棉及其纯纺制品、天然彩色棉与未着色纤维的混纺或交织制品（包括服装）。
检测范围（结果判定）：
棕棉产品测试前后的颜色变化：
绿棉产品测试前后的颜色变化：
注：天然彩棉产品的成分要求（源自：GB/T 20393—2024）

说明：

本文所含信息、观点及结论仅供参考。读者应结合自身实际情况审慎判断，作者不对因使用本文内容所引发的任何直接或间接损失承担责任。

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  1. CONNECT:[ UseTime:0.000712s ] mysql:host=127.0.0.1;port=3306;dbname=no_67808;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001009s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000385s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000315s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000687s ]
  6. SELECT * FROM `set` [ RunTime:0.000266s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000771s ]
  8. SELECT * FROM `article` WHERE `id` = 488793 LIMIT 1 [ RunTime:0.004765s ]
  9. UPDATE `article` SET `lasttime` = 1778812338 WHERE `id` = 488793 [ RunTime:0.028535s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.001461s ]
  11. SELECT * FROM `article` WHERE `id` < 488793 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000754s ]
  12. SELECT * FROM `article` WHERE `id` > 488793 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002522s ]
  13. SELECT * FROM `article` WHERE `id` < 488793 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000967s ]
  14. SELECT * FROM `article` WHERE `id` < 488793 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.001803s ]
  15. SELECT * FROM `article` WHERE `id` < 488793 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000988s ]
0.127625s