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海粟    硅胶60 (Davisil Grade 22)孔径60 Å 60-200目 海粟    硅胶60 (Davisil Grade 22)孔径60 Å 60-200目

海粟 硅胶60 (Davisil Grade 22)孔径60 Å 60-200目

CAS号 63231-67-4
规格 500g/瓶,1kg/袋,10kg/箱,20kg/箱,20kg/袋
纯度 99.9%
货号 HSSI062060R
货期 0
品牌 海粟
库存 1000000
注意:请务必与卖家联系核实单价库存,以确保您的资金安全及交易顺利。
参考价: ¥120.00 元/公斤
货号 品牌 纯度 规格 参考价 货期
HSSI062060R 海粟 99.9% 500g/瓶,1kg/袋,10kg/箱,20kg/箱,20kg/袋 ¥120.00元/公斤 0

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详细信息(中文):
不规则硅胶层析色谱填料
不规则硅胶层析色谱填料大多为裸硅胶,是最传统的,经济性高,工业规模化应用常压低压中最合适的色谱层析填料,请根据实际情况选择各项指标参数。
关键指标:
颗粒度(外在形态、粒径密度大小分布等);
孔径(如比表面、孔容相关内在指标)。
这两项的选择最为重要,会直接影响色谱应用中如压力、保留值、收率、纯度和效率等生产关键因素。
不规则层析色谱填料选择指南:
1、粒径的选择:

2、孔径的选择:

不规则层析色谱填料指标规格参数:
名称 不规则硅胶层析色谱填料
孔径 (1)30-50Å (2)60-80Å
(3)80-110Å (4)120-200Å
(5)300-500Å (6)600-1000Å
比表面 50-350-550-700㎡/g
粒径 (1)40-80目 (2)60-80目 (3)60-100目
(4)80-100目 (5)80-120目 (6)100-160目
(7)100-200目 (8)150-250目 (9)200-300目
(10)250-350目 (11)300-400目 (12)230-400目
(13)400-600目 (14)600-800目 (15)800-1000目
(16)20-45um (17)10-20um (18)40-63um
pH pH值:3-5、6-8、6-7、7-8
适用色谱层析设备 高中低压柱、常压减压柱、中小试工业化柱;
玻璃、不锈钢等各种层析柱;
Flash柱、制备柱;
包装方式 500克、1公斤、10公斤、20公斤;
(瓶装、袋装、纸箱、桶装)
备注 以上为批量化生产规格,均可提供试用样品;
如孔径、粒径、金属元素等有特殊要求可定制生产

详细信息(英文):
Silica Gel Column Chromatography
Column chromatography is the ideal method of chromatography for purification and separation. It is a technique in which the stationary phase is solid adsorbents like silica gel is a liquid. The principle of active compound separation depends on the activity of adsorbents and polarity of the solvent. If the polarity of the solvent is very low and the activity of the adsorbent is strong and high, then result of separation of compound is good. On the other hand, if the polarity of the solvent is very high and the activity of adsorbents is high then it gives poor results of compound separation. It means purification and isolation of compounds are not 100% pure.

The process of column chromatography is the oldest and the most common technique f or the separation of complex mixtures packed in a column. Chromatography is a technology by which a mixture of chemicals are separated by its components between two phases like stationary phase which is remain fixed in placed using two adsorbents such as silica gel and activated alumina, while as mobile phase is another method which is slowly movable and flows down through the column by either gravitational forces or external pressure into the column. The Stationery phase may be solid or liquid and the mobile phase is always in solid liquid foam use different solvents.

Analytical Chromatography: The collectively term of chromatography is may be analytical or preparative. The starting phase of chromatography is analytical chromatography with little amount of silica gel mesh 60-120 size by using analytical column packaging, to analysis how many percentage of mixture is purify. Analytical chromatography is a simple method of chromatography with faster and cost effective separation. In analytical chemistry development, techniques for solving chemical subtracts by using thin layer plates coated silica gel on glass plate. This technique becomes standa

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英文名 Silica gel
中文名 硅胶60
CAS号 63231-67-4 溶解性 ---
分子量 78.09960 熔点 ---
密度 --- 沸点 ---

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  • 成立时间:2022-08-04
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