Chromosorb系列硅藻土色譜填料
- 公司名稱 北京飛美斯分析科技有限公司
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- 更新時間 2017/7/4 11:10:33
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Chromosorb Packings
Restek offers the full line of Chromosorb? solid supports. Choosing the appropriate support will depend on your application. Need assistance?RESTEK提供全系列的Chromosorb型硅藻土色譜填料,填料經(jīng)過了嚴格的篩選以去除細末,保證顆粒尺寸分布集中。根據(jù)具體應用選擇所需填料。
Chromosorb P (used to prepare Silcoport TM P)
Chromosorb P support is manufactured from hard firebrick, making it a rugged material. This support is available acid washed (AW), nonacid washed (NAW), and traditional dimethyldichlorosilane (DMDCS) treated. Chromosorb? P support can hold up to 30 weight% of liquid stationary phase, making it the highest loading support available.
Chromosorb? W (used to prepare Silcoport? W and Silcoport? BW)
Chromosorb? W support is a flux-calcinated diatomite. This solid support is very fragile but offers the highest inertness of all diatomaceous earth supports. It can be prepared with up to 25 weight% of liquid stationary phase. Chromosorb? W support is available in AW, NAW, and DMDCS, or treated with Restek’s proprietary (Silcoport?) deactivation. Chromosorb? W-HP is an acid washed, silanized version of Chromosorb? W.
Chromosorb? G
Chromosorb? G support is the hardest support available and has the lowest surface area of all the diatomaceous earth supports. Chromosorb? G support is available as AW, NAW, and DMDCS-treated. It can hold up to 10 weight% of liquid stationary phase.
Chromosorb? T
Chromosorb? T support is made from Teflon? material and is an extremely inert solid support.
Chromosorb? G and Chromosorb? T are available as custom products. Contact us for more information.
Chromosorb P(used to prirare Silcoport P)
Chromosorb P型色譜填料是由硬的耐火磚制造,在天然硅藻土中加入木屑及少量黏合劑于900攝氏度左右鍛燒,就得到這種紅色硅藻土載體。這是一種相當耐用的材料,機械強度較高。可以用酸洗、非酸洗 、傳統(tǒng)的二甲基氯硅烷(DMDCS)處理。其可以承載30%重量的固定液。
Chromosorb W(used to prepare Silcoport W and Silcoport BW)
Chromosorb W型色譜填料是一種熔融-鍛燒硅藻土載體,它是將天然硅藻土經(jīng)鹽酸處理后干燥,再加入少量碳酸鈉助劑在1100攝氏度左右煅燒,就得到這種白色硅藻土載體。這種擔體十分易碎,但是惰性是現(xiàn)有硅藻土中的,能用于高溫分析。其固定液承載量可達25%,Chromosorb W填料可以使用AW、NAW、DMDCS等清洗。也可以用Silcoport工藝去活處理。Chromosorb W-HP是酸洗 的、硅烷化的Chromosorb W。
Chromosorb G
Chromosorb G型載體在所有的硅藻土中表面積zui低的。可以采用AW,NAW,和DMDCS處理。這種載體可能承載10%重量的固定液。
Chromosorb T
Chromosorb T型載體是一種Teflon制品,惰性。
NAW--nonacid washed
AW--acid washed
DMDCS--dimethyldichlorosilane
BW--base washed
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