海藻酸钠
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别名：
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藻朊钠;藻胶钠;褐藻酸钠;藻朊酸钠;藻蛋白酸钠
产品介绍
MSDS与安全信息
质检证书(CoA)
相关产品
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- 白色或浅黄色粉末。一种从海藻类植物-海带中提出的亲水性多糖。几乎无臭无味。对湿敏感。缓溶于水，形成黏稠胶体状溶液，不溶于乙醇、乙醚和氯仿及pH值低于3的酸中。溶液加热不凝结。
分子量结构单位：理论值198.11，平均真实值222.00，大分子32000-250000
质量标准
项目 分析纯
(AR)
含量Assay90.8-106 % (滴定)
外观Appearance 类白色至淡黄棕色粉末
红外光谱鉴别Infrared spectrometry和对照匹配
干燥损失Loss on drying <15 % (2 g, 105°C, 4 小时)
重金属Heavy metals (as Pb) <40 ppm
硫酸盐灰分Sulfated ash 30.0 % - 36.0 %
砷As < 3 ppm
铅Pb < 10 ppm
项目化学纯
(CP)
酸值Acid Value mgKOH/g≥ 230
PH ： 1.5-3.5
干燥失重Loss on drying≤ 15.0%
灼烧残渣Residue On Ignition ≤ 5.0%
铁盐Iron(Fe)≤ 0.05%
重金属Heavy Metals≤ 0.004%
砷As≤ 0.0003%
贮存：密封干燥保存。
用途：稳定剂。增稠剂。作人造半透膜。媒染剂。
生化级用于固定细胞、酶；如海藻酸钠法固定化谷氨酸脱羧酶。海藻酸基质可以通过添加螯合剂而液化。
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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
