亚洲最大视频网,欧美国产综合久久香,欧美亚洲精品人妻

Merck ZIC-HILIC親水作用色譜柱

親水作用色譜是一種直接分離極性和親水性化合物的色譜技術(shù)，它以親水性的填料作為固定相，以水、有機(jī)溶劑和緩沖液作為流動(dòng)相洗脫劑。在HILIC方法中，洗脫順序和反相色譜正好相反，即極性越大，保留時(shí)間越長(zhǎng)。

主要特點(diǎn)：

·直接分離極性和親水性化合物
·兩性離子基因通過(guò)共價(jià)鍵合在多孔硅膠上
·超長(zhǎng)的耐受性使得樣品分離的成本很低

·同時(shí)檢測(cè)三聚氰胺和三聚氰酸（FDA推薦使用）

默克的ZIC-HILIC技術(shù)增加了食品的安全性

的美國(guó)食品藥物管理局檢測(cè)方法使用默克的SeQuant ZIC-HILIC 色譜柱來(lái)檢測(cè)嬰兒配方奶粉中的三聚氰胺和三聚氰酸成分。

同時(shí)檢測(cè)三聚氰胺和三聚氰酸
由FDA所提出的ZIC-HILIC方法提供您一項(xiàng)其它檢測(cè)方法*的優(yōu)勢(shì): 受三聚氰胺污染的嬰兒配方奶粉也可能含有其它有毒的三嗪類(lèi)化合物, 例如三聚氰酸, 它會(huì)和三聚氰胺牢固結(jié)合，從而使問(wèn)題變得更加嚴(yán)重。同時(shí)測(cè)定和確認(rèn)嬰兒配方奶粉中的三聚氰胺和三聚氰酸的這項(xiàng)建議可以相當(dāng)程度上增加食品安全性。

近來(lái)美國(guó)食品藥物管理局（FDA）宣布，通過(guò)使用默克的SeQuant ZIC-HILIC色譜柱, 已經(jīng)開(kāi)發(fā)出一種可同時(shí)檢測(cè)嬰兒配方奶粉中三聚氰胺和三聚氰酸殘留物的方法。FDA負(fù)責(zé)管理美國(guó)的食品安全事項(xiàng)，其建議方案受到*的關(guān)注且被其它國(guó)家的政府機(jī)構(gòu)采納。

這個(gè)建議結(jié)合了液相色譜與質(zhì)譜聯(lián)用技術(shù)，使用SeQuant ZIC-HILIC, 即使很低濃度的三聚氰胺和三聚氰酸都可以被準(zhǔn)確的分離和檢測(cè)。這兩種分析物的定量極限是0.25 µg/g。因此默克的SeQuant ZIC-HILIC能令人信賴(lài)鑒定嬰兒配方奶粉的品質(zhì)。

Merck ZIC-HILIC分析柱訂貨信息

貨號(hào)	規(guī)格
1.50434.0001	ZIC-HILIC 14 x 1 mm, 5um Fitting Guard Column （5-pak） SeQuant
1.50435.0001	ZIC-HILIC 20 x 2.1 mm, 5um Guard Column （1-pak） SeQuant
1.50436.0001	ZIC-HILIC 20 x 2.1 mm, 5um Guard Column （3-pak） SeQuant
1.50439.0001	ZIC-HILIC 20 x 2.1 mm, 3.5um, 100Å PEEK HPLC Column SeQuant
1.50440.0001	ZIC-HILIC 50 x 2.1 mm, 3.5um, 100Å PEEK HPLC Column SeQuant
1.50441.0001	ZIC-HILIC 100 x 2.1 mm, 3.5um, 100Å PEEK HPLC Column SeQuant
1.50442.0001	ZIC-HILIC 150 x 2.1 mm, 3.5um, 100Å PEEK HPLC Column SeQuant
1.50443.0001	ZIC-HILIC 250 x 2.1 mm, 3.5um, 100Å PEEK HPLC Column SeQuant
1.50444.0001	ZIC-HILIC 150 x 4.6 mm, 3.5um, 100Å PEEK HPLC Column SeQuant
1.50445.0001	ZIC-HILIC 50 x 2.1 mm, 3.5um, 200Å PEEK HPLC Column SeQuant
1.50446.0001	ZIC-HILIC 50 x 4.6 mm, 3.5um, 200Å PEEK HPLC Column SeQuant
1.50447.0001	ZIC-HILIC 100 x 2.1 mm, 3.5um, 200Å PEEK HPLC Column SeQuant
1.50448.0001	ZIC-HILIC 150 x 2.1 mm, 3.5um, 200Å PEEK HPLC Column SeQuant
1.50449.0001	ZIC-HILIC 150 x 4.6 mm, 3.5um, 200Å PEEK HPLC Column SeQuant
1.50450.0001	ZIC-HILIC 50 x 2.1 mm, 5um, 200Å PEEK HPLC Column SeQuant
1.50451.0001	ZIC-HILIC 50 x 4.6 mm, 5um, 200Å PEEK HPLC Column SeQuant
1.50452.0001	ZIC-HILIC 100 x 2.1 mm, 5um, 200Å PEEK HPLC Column SeQuant
1.50453.0001	ZIC-HILIC 100 x 4.6 mm, 5um, 200Å PEEK HPLC Column SeQuant
1.50454.0001	ZIC-HILIC 150 x 2.1 mm, 5um, 200Å PEEK HPLC Column SeQuant
1.50455.0001	ZIC-HILIC 150 x 4.6 mm, 5um, 200Å PEEK HPLC Column SeQuant
1.50456.0001	ZIC-HILIC 150 x 7.5 mm, 5um, 200Å PEEK HPLC Column SeQuant
1.50457.0001	ZIC-HILIC 250 x 2.1 mm, 5um, 200Å PEEK HPLC Column SeQuant
1.50458.0001	ZIC-HILIC 250 x 4.6 mm, 5um, 200Å PEEK HPLC Column SeQuant

Merck ZIC-HILIC液相毛細(xì)管柱訂貨信息

1.50478.0001	ZIC-HILIC 30 x 1 mm, 3.5um, 200Å Micro LC Column SeQuant
1.50479.0001	ZIC-HILIC 150 mm x 300um, 3.5um, 200Å Capillary LC Column SeQuant
1.50480.0001	ZIC-HILIC 150 x 1 mm, 3.5um, 200Å Micro LC Column SeQuant
1.50481.0001	ZIC-HILIC 150 mm x 300um, 5um, 200Å Capillary LC Column SeQuant
1.50482.0001	ZIC-HILIC 150 x 1 mm, 5um, 200Å Micro LC Column SeQuant
1.50483.0001	ZIC-HILIC 5 mm x 1mm , 5um Guard Column （1-pak） SeQuant
1.50484.0001	ZIC-HILIC 5 mm x 300um, 5um Guard Column （1-pak） SeQuant
1.50487.0001	ZIC-HILIC 150 x 1 mm, 3.5um, 100Å Micro LC Column SeQuant
1.50489.0001	ZIC-HILIC 30 x 300um, 3.5um, 200Å Capillary LC Column SeQuant
1.50490.0001	ZIC-HILIC 5 x 1 mm, 5um polymeric Guard Column （5-pak） SeQuant
1.50491.0001	ZIC-HILIC 30 x 300um, 5um, 200Å Capillary LC Column SeQuant
1.50492.0001	ZIC-HILIC 5 mm x 300um, 5um Guard Column （5-Pack） SeQuant

Merck ZIC-pHILIC分析柱訂貨信息

1.50437.0001	ZIC-pHILIC 20 x 2.1 mm, 5um Guard Column （1-pak） SeQuant
1.50438.0001	ZIC-pHILIC 20 x 2.1 mm, 5um Guard Column （3-pak） SeQuant
1.50459.0001	ZIC-pHILIC 50 x 2,1 mm, 5um, polymeric beads PEEK HPLC Column SeQuant
1.50462.0001	ZIC-pHILIC 100 x 2.1 mm, 5um polymeric PEEK HPLC Column SeQuant
1.50460.0001	ZIC-pHILIC 150 x 2.1 mm, 5um polymeric beads PEEK HPLC Column SeQuant
1.50463.0001	ZIC-pHILIC 50 x 4.6 mm, 5um polymeric PEEK HPLC Column SeQuant
1.50463.0001	ZIC-pHILIC 50 x 4.6 mm, 5um polymeric PEEK HPLC Column SeQuant
1.50461.0001	ZIC-pHILIC 150 x 4.6 mm, 5um polymeric beads PEEK HPLC Column SeQuant

Merck ZIC-HILIC制備柱訂貨信息

1.50456.0001	ZIC-HILIC 150 x 7.5 mm, 5um, 200Å PEEK HPLC Column SeQuant
1.50495.0001	ZIC-HILIC 50 x 10 mm, 5um, 200Å Stainless Steel HPLC Column SeQuant
1.50493.0001	ZIC-HILIC 150 x 10 mm, 5um, 200Å Stainless Steel HPLC Column SeQuant
1.50494.0001	ZIC-HILIC 250 x 10 mm, 5um, 200Å Stainless Steell HPLC Column SeQuant
1.50496.0001	ZIC-HILIC 50 x 20 mm, 5um, 200Å Stainless Steel HPLC Column SeQuant
1.50497.0001	ZIC-HILIC 150 x 20 mm, 5um, 200Å Stainless Steel HPLC Column SeQuant