產(chǎn)品分類(lèi)品牌分類(lèi)
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PH分析儀 溶氧分析儀 電導(dǎo)率分析儀 濁度分析儀 離子濃度計(jì) 菌落計(jì)數(shù)器 光度計(jì) 加熱消解器 BOD分析儀 BOD培養(yǎng)箱 多參數(shù)水質(zhì)分析儀 WTW在線(xiàn)氨氮分析儀 在線(xiàn)氮磷分析儀 在線(xiàn)磷酸鹽分析儀 在線(xiàn)正磷酸鹽分析儀 快速COD分析儀 在線(xiàn)多參數(shù)氮磷分析儀 PH/溶氧/電導(dǎo)率/濁度電極 德國(guó)WTW在線(xiàn)傳感器及耗材 WTW光度計(jì)配套試劑 WTW PH電極 WTW溶氧電極 WTW電導(dǎo)電極 WTW ORP電極 WTW濁度電極 WTW氨氮電極 WTW懸浮固體傳感器 StirrOx-G自攪拌電極 WTW 離子電極 PH/電導(dǎo)/溶解氧標(biāo)液
產(chǎn)品簡(jiǎn)介
品牌:德國(guó)默克/MERCK
型號(hào):Merck Purospher STAR (明星柱)
貨號(hào):1.50242.0001/1.51456.0001等
詳細(xì)介紹
德國(guó)默克PurospherSTAR 色譜柱1.50242.0001
型 號(hào):Merck Purospher STAR (明星柱)
詳細(xì)介紹
Purospher STAR(明星柱)
特點(diǎn):
• 高純硅膠,金屬雜質(zhì)含量≤5 ppm
• PH范圍較寬,達(dá)到PH 1.5-10.5
• 不同批次間每支色譜柱都擁有相同的重現(xiàn)性
• 使用壽命長(zhǎng)
填料參數(shù):
固定相 | 粒徑 | 孔徑 | 孔體積 | 表面積 | 碳載量 | 封尾 | pH穩(wěn)定性 |
Purospher STAR RP-18 endcapped | 3um 5um | 120A | 1.1ml/g | 330m2/g | 17.00% | 疏水 | 1.5-10.5 |
Purospher STAR RP-8 endcapped | 3um 5um | 120A | 1.1ml/g | 330m2/g | 11.20% | 疏水 | 1.5-10.5 |
Purospher STAR Si | 5um | 120A | 1.1ml/g | 330m2/g | —— | 無(wú) | —— |
Purospher STAR NH2 | 5um | 120A | 1.1ml/g | 330m2/g | 3.50% | 無(wú) | 2-7.5 |
Purospher RP-18 endcapped | 5um | 120A | 1.0ml/g | 350m2/g | 18.00% | 疏水 | 2-8.0 |
Purospher RP-18 | 5um | 90A | 0.95ml/g | 500m2/g | 18.50% | 氨基 | 2-7.5 |
Purospher RP-18 HC | 5um | 90A | 1.0ml/g | >470m2/g | 18.00% | 無(wú) | 2-7.5 |
Purospher STAR RP-18 endcapped、RP-8 endcapped、Si、NH2:
提高色譜柱的通用性,無(wú)論酸性、中性、堿性化合物都是理想的選擇性,高穩(wěn)定性,長(zhǎng)壽命。
Purospher RP-18 endcapped:適合在中性條件下分析酸性和堿性化合物。
Purospher RP-18:極性端基封尾,適合分析堿性化合物物,流動(dòng)性可100%耐水,對(duì)極性化合物物有較好的分析。
Purospher RP-18 HC:不進(jìn)行任何的封端
高純硅膠:
Purospher STAR的高純硅膠品質(zhì)出色,金屬雜質(zhì)含量不到5ppm,其硅膠表面健合覆蓋技術(shù)使得它可以在獲得很好的峰對(duì)稱(chēng)性的同時(shí),擁有非常強(qiáng)的耐高堿性流動(dòng)相的能力
天然硅膠和合成硅膠的區(qū)別:
上圖所示的是A型類(lèi)硅膠的制備過(guò)程,我們可以發(fā)現(xiàn),M2O-nSiO2中,M所代表的是大量的價(jià)金屬元素,如Na, K, Fe等。用傳統(tǒng)的硅膠合成工藝,無(wú)法去除大量的金屬雜質(zhì),因此,在遇到分析堿性化合物或易發(fā)生螯合作用的化合物時(shí),拖尾影響較大,同時(shí),容易發(fā)生樣品被固定相基質(zhì)所吸附的情況。而采用B型硅膠的色譜柱,其硅膠制備的原料
物質(zhì)Si(OC2H ) 中幾乎不含任何金屬雜質(zhì),因此,選擇色譜柱時(shí)盡量選用B型硅膠的色譜柱。
Purospher STAR 對(duì)已制得的B型高純硅膠采取特殊的表面覆蓋技術(shù),使得C1 鍵合相在硅膠表面處彼此互相連接,以此起到即使在強(qiáng)酸、強(qiáng)堿流動(dòng)相的條件下,也能大幅延長(zhǎng)其使用壽命的作用。
PH穩(wěn)定性測(cè)試:
Purospher STAR 具有極出色的PH穩(wěn)定性,長(zhǎng)時(shí)間的數(shù)據(jù)測(cè)試證明Purospher STAR可以在PH 1.5-10.5的范圍內(nèi)穩(wěn)定使用。
長(zhǎng)期柱壽命測(cè)試:
供貨信息:
Purospher STAR 標(biāo)準(zhǔn)柱:
貨號(hào) | 包裝 | 描述 規(guī)格 |
1.56200.0008 | 1 UNIT | HIBAR 250-4,6 PUROSPHER STAR LP RP-18 ENDCAPPED (5 MYM) HPLC COLUMN |
1.51456.0001 | 1 UNIT | HIBAR 250-4,6 PUROSPHER STAR RP-18 ENDCAPPED (5 MYM) HPLC COLUMN |
1.51455.0001 | 1 UNIT | HIBAR 150-4,6 PUROSPHER STAR RP-18 ENDCAPPED (5 MYM) HPLC COLUMN |
1.50037.0001 | 1 UNIT | HIBAR 250-4 PUROSPHER STAR RP-18 ENDCAPPED (5 MYM) HPLC COLUMN |
1.50036.0001 | 1 UNIT | HIBAR 125-4 PUROSPHER STAR RP-18 ENCAPPED (5 MYM) HPLC COLUMN |
1.51454.0001 | 1 UNIT | HIBAR 250-4.6 PUROSPHER STAR RP-8 ENDCAPPED (5 MYM) HPLC COLUMN |
1.51453.0001 | 1 UNIT | HIBAR 150-4,6 PUROSPHER STAR RP-8 ENDCAPPED (5 MYM) HPLC COLUMN |
1.50035.0001 | 1 UNIT | HIBAR 250-4 PUROSPHER STAR RP-8 ENDCAPPED (5 MYM) HPLC COLUMN |
1.50033.0001 | 1 UNIT | HIBAR 125-4 PUROSPHER STAR RP-8 ENDCAPPED (5 MYM) HPLC COLUMN |
Purospher STAR卡套柱:
貨號(hào) | 包裝 | 描述 規(guī)格 |
1.50237.0001 | 1 SET | LICHROCART 30-2 PUROSPHER STAR RP-18 ENDCAPPED (3 MYM) 1 HPLC-CARTRIDGE |
1.50238.0001 | 3 UNITS | LICHROCART 30-2 PUROSPHER STAR RP-18 ENDCAPPED (3 MYM) HPLC CARTRIDGE |
1.50240.0001 | 1 SET | LICHROCART 55-2 PUROSPHER STAR RP-18 ENDCAPPED (3 MYM) 1 HPLC-CARTRIDGE |
1.50241.0001 | 3 UNITS | LICHROCART 55-2 PUROSPHER STAR RP-18 ENDCAPPED (3 MYM) HPLC CARTRIDGE |
1.50255.0001 | 1 UNIT | LICHROCART 125-2 PUROSPHER STAR RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50256.0001 | 1 UNIT | LICHROCART 250-2 PUROSPHER STAR RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50253.0001 | 1 UNIT | LICHROCART 125-3 PUROSPHER STAR RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50254.0001 | 1 UNIT | LICHROCART 250-3 PUROSPHER STAR RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50239.0001 | 1 SET | LICHROCART 30-4 PUROSPHER STAR RP-18 ENDCAPPED (3 MYM) 1 HPLC-CARTRIDGE |
1.50225.0001 | 3 UNITS | LICHROCART 30-4 PUROSPHER STAR RP-18 ENDCAPPED (3 MYM) HPLC CARTRIDGE |
1.50242.0001 | 1 SET | LICHROCART 55-4 PUROSPHER STAR RP-18 ENDCAPPED (3 MYM) 1 HPLC CARTRIDGE |
1.50231.0001 | 3 UNITS | LICHROCART 55-4 PUROSPHER STAR RP-18 ENDCAPPED (3 MYM) HPLC CARTRIDGE |
1.51460.0001 | 1 UNIT | LICHROCART 75-4 PUROSPHER STAR RP-18 ENDCAPPED (3 MYM) HPLC CARTRIDGE |
1.50250.0001 | 10 UNITS | LICHROCART 4-4 PUROSPHER STAR RP-18 ENDCAPPED (5 MYM) HPLC GUARD CARTRIDGE |
1.50251.0001 | 1 UNIT | LICHROCART 125-4 PUROSPHER STAR RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50252.0001 | 1 UNIT | LICHROCART 250-4 PUROSPHER STAR RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50358.0001 | 1 UNIT | LICHROCART 150-4,6 PUROSPHER STAR RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50359.0001 | 1 UNIT | LICHROCART 250-4,6 PUROSPHER STAR RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50257.0001 | 1 UNIT | LICHROCART 250-10 PUROSPHER STAR RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50274.0001 | 1 UNIT | LICHROCART 125-2 PUROSPHER STAR RP-8 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50275.0001 | 1 UNIT | LICHROCART 250-2 PUROSPHER STAR RP-8 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50038.0001 | 1 UNIT | LICHROCART 125-3 PUROSPHER STAR RP-8 ENDCAPPED (5 MYM) |
1.50273.0001 | 1 UNIT | LICHROCART 250-3 PUROSPHER STAR RP-8 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50270.0001 | 10 UNITS | LICHROCART 4-4 PUROSPHER STAR RP-8 ENDCAPPED (5 MYM) HPLC GUARD COLUMN |
1.50271.0001 | 1 UNIT | LICHROCART 125-4 PUROSPHER STAR RP-8 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50272.0001 | 1 UNIT | LICHROCART 250-4 PUROSPHER STAR RP-8 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50031.0001 | 1 UNIT | LICHROCART 150-4,6 PUROSPHER STAR RP-8 ENDCAPPED (5 MYM) |
1.50032.0001 | 1 UNIT | LICHROCART 250-4,6 PUROSPHER STAR RP-8E (5 MYM) CARTRIDGE |
1.50276.0001 | 1 UNIT | LICHROCART 250-10 PUROSPHER STAR RP-8 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50249.0001 | 10 PC | LICHROCART 4-4 PUROSPHER STAR SI (5 MYM) HPLC GUARD CARTRIDGE |
1.50268.0001 | 1 UNIT | LICHROCART 125-4 PUROSPHER STAR SI (5 MYM) HPLC CARTRIDGE |
1.50269.0001 | 1 UNIT | LICHROCART 250-4 PUROSPHER STAR SI (5 MYM) HPLC CARTRIDGE |
1.50356.0001 | 1 UNIT | LICHROCART 150-4,6 PUROSPHER STAR SI (5 MYM) HPLC CARTRIDGE |
1.50357.0001 | 1 UNIT | LICHROCART 250-4,6 PUROSPHER STAR SI (5 MYM) HPLC CARTRIDGE |
1.50267.0001 | 10 UNITS | LICHROCART 4-4 PUROSPHER STAR NH2 (5 MYM) HPLC GUARD CARTRIDGE |
1.50244.0001 | 1 UNIT | LICHROCART 125-4 PUROSPHER STAR NH2 (5 MYM) HPLC CARTRIDGE PUROSPHER |
1.50245.0001 | 1 UNIT | LICHROCART 250-4 PUROSPHER STAR NH2 (5 MYM) HPLC CARTRIDGE PUROSPHER |
1.50247.0001 | 1 UNIT | LICHROCART 150-4,6 PUROSPHER STAR NH2 (5 MYM) HPLC CARTRIDGE |
1.50248.0001 | 1 UNIT | LICHROCART 250-4,6 PUROSPHER STAR NH2 (5 MYM) HPLC CARTRIDGE |
Purospher卡套柱:
貨號(hào) | 包裝 | 描述 規(guī)格 |
1.50167.0001 | 10 UNITS | LICHROCART 4-4 PUROSPHER RP-18 ENDCAPPED (5 MYM) HPLC GUARD CARTIDGE |
1.50798.0001 | 1 UNIT | LICHROCART 125-3 PUROSPHER RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50799.0001 | 3 UNITS | LICHROCART 125-3 PUROSPHER RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.51384.0001 | 1 UNIT | LICHROCART 250-3 PUROSPHER RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50168.0001 | 1 UNIT | LICHROCART 125-4 PUROSPHER RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50169.0001 | 1 UNIT | LICHROCART 250-4 PUROSPHER RP-18 ENDCAPPED (5 MYM) HPLC CARTRIDGE |
1.50141.0001 | 10 UNITS | LICHROCART 4-4 PUROSPHER RP-18 (5 MYM) HPLC GUARD COLUMN |
1.50142.0001 | 1 UNIT | LICHROCART 125-4 PUROSPHER RP-18 (5 MYM) HPLC CARTRIDGE |
1.50144.0001 | 1 UNIT | LICHROCART 250-4 PUROSPHER RP-18 (5 MYM) HPLC CARTRIDGE |
1.51436.0001 | 1 UNIT | LICHROCART 250-4 PUROSPHER RP-18 HC HPLC CARTRIDGE |
(德國(guó)默克PurospherSTAR 色譜柱1.50242.0001)