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质检证书(CoA)
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英文名称：Neutral balsam
级别：FMP
折光率(n20D)：1.5216～1.5240
酸值：≤20mgKOH/g
二甲苯溶解试验：合格
性状：浅黄色透明油状液体。为一种天然树脂，溶解于二甲苯中成60％溶液。呈中性反应。不溶于水。折光率与玻璃近似。干燥后凝结成透明无色固体，没有收缩、变黄、纹裂等现象。与玻璃的粘着力很强，两片玻璃胶合完全干固后难以分离。使用时如嫌太厚，可加入少许二甲苯；
如嫌太薄，可在40℃的恒温箱中打开瓶口使二甲苯蒸发，但应避免过度。防止潮气。
用途：生化研究。显微镜切片永久标本或动植物制片的封藏剂。光学玻璃镜头与眼镜片等胶合剂
保存：RT
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Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
