Deprecated: Function split() is deprecated in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/goods.php on line 366 Strict Standards: Non-static method cls_image::gd_version() should not be called statically in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/lib_base.php on line 346
- 质量标准
外观Appearance白色至浅黄色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity≥98.0% (HPLC)
钠SODIUM10.5 - 11.6% (by ICP)
水分water≤12%(K.F)(6MOLES/MOLE)
abs-ratio(a/b)0.41 - 0.44(E340/E260, pH10.0)
Molar extinction coefficient≥12900(pH10.0、260 nm)
Molar extinction coefficient2 ≥5400(pH10.0、340 nm)
贮存; -20℃保存
用途:通常作为电子供体,是很多氧化还原酶(包括一氧化氮合成酶)的辅酶(cofactor)。
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