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品牌: | Wako |
货号: | 019-11941 |
CAS号: | 019-11941 |
供应商: | 上海西宝生物 |
数量: | 1000瓶 |
保质期: | 2年 |
保存条件: | RT |
活性炭充填硅胶 | 019-11941 【二恶英分析专用】,西宝生物现货提供。活性炭充填硅胶 019-11941。本产品仅用于研究用途。不得用于人体。用于二恶英分析中的预处理(净化)!活性炭充填硅胶是一种柱净化填料, 用于微量分析多氯二苯并对二恶英(PCDDs)和多氯二苯并呋喃(PCDFs)。活性炭充填硅胶 019-11941本产品仅用于研究用途。不得用于人体。 用于二恶英分析中的预处理(净化)! 10g包装 室温保存 活性炭充填硅胶是一种柱净化填料, 用于微量分析多氯二苯并对二恶英(PCDDs)和多氯二苯并呋喃(PCDFs)。 微量分析要达到高精度要求,就少不了优异的样品净化方法。由于二恶英毒性特别高,引起社会广泛关注,因此进行二恶英分析时,安全性必须十分可靠。活性炭具 有特异吸附具有平板结构的化合物的特性,譬如二恶英。活性炭净化在精制富集二恶英样品是必不可少的过程,这点得到全球广泛认可。然而,传统的活性炭颗粒存 在这样的弱点: 当颗粒较小时,渗透率较低,而颗粒较大时,在洗脱时会引起严重的拖尾现象。 该新型色谱柱填料,采用活性炭充填入硅胶而成,不仅具有活性炭的优良特性,而且具备很好的渗透性。 活性炭充填硅胶 019-11941 [操作程序] 将玻璃棉放在色谱柱的底部,与一个旋塞相连接,加入高度约1厘米的无水硫酸钠。然后加入1g活性炭充填硅胶,轻轻晃动柱子以使厚度均匀。在顶部再次加入另一层的无水硫酸钠,高度约0.5厘米。(参考设备图。) 当柱子装填完毕,马上用吸管将样品(需将正己烷溶液浓缩至0.3毫升左右)慢慢滴加到无水硫酸钠层上。然后用0.1毫升的正己烷数次洗涤管壁和无水硫酸钠层。 静置几分钟后,在色谱柱上方连接一个装有200毫升25%[ v/v]的二氯甲烷/正己烷混合物的分液漏斗,轻轻让混合液缓缓流下来,开始以每秒钟1滴的速度进行洗脱。(该洗脱液不含二恶英。) 当二氯甲烷/正己烷混合液加完,继续用200 mL甲苯以每秒1滴的流速进行洗脱。(该洗脱液含有二恶英。) 将甲苯洗脱液用减压KD浓缩器浓缩至目标体积。 活性炭充填硅胶 019-11941 [注意事项] 多氯联苯可以用25%二氯甲烷/正己烷完全洗脱出来,用于定量分析。 由于采用的是干燥型柱层析,在洗脱过程中,气泡会留在柱内。不过对于回收率和重现性无不良影响。 当1,2,3,4-T4CDD 和O8CDD单组份荷载为1ng时,回收率超过90%。 T4CDD : Tetrachlorodibenzo-p-dioxin 四氯二苯并-对-二恶英 O8CDD : Octachlorodibenzo-p-dioxin 八氯二苯并-对-二恶英 活性炭充填硅胶 019-11941 [参考文献] Ono, M., Wakimoto, T., Tatsukawa, R. and Masuda, Y.: Chemosphere, 15, 1629 (1986). 西宝生物科技(上海)股份有限公司 地址:上海市张江高科技园区毕昇路299弄11号502室 邮编:201204 电话:021-50272978 西宝市场部 手机:13917439331 QQ:2852385819 西宝生物(Seebio)--优势品牌CIL,TRC R&D,Larodan 西宝生物(Seebio)--和光纯药(WAKO)在中国大陆地区的官方授权代理机构! 西宝生物(Seebio)--Reagecon在中国大陆地区的官方授权代理机构! 西宝生物(Seebio)--Laysan在中国大陆地区的官方授权代理机构! 西宝生物(Seebio)特色产品:糖类标准品,脂肪酸标准品,花青素标准品,类胡萝卜素标准品等食品分析标准品 【产品名称】Active Carbon-impregnated Silica Gel 活性炭埋藏硅胶 Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 【制造商】Wako Pure Chemical Industries, Ltd. 【销售商代码】019-11941 【规格】10g
Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 【保存条件】Keep at RT. 【外观】Blackish gray - black, granules - small granules 【注意事项】This product is for research use only. Do not administer it to human. 【 用途】for Dioxins Analysis 【参考文献】 1. M. Ono, T. Wakimoto, R. Tatsukawa, Y. Masuda, Chemosphere, 15, 1629 (1986) 2. 「日本分析化学会第34年会講演要旨集」p.402 (1985) Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 西宝市场部 手机:13917439331 QQ:2852385819 货号 品名 规格 Cas 012-01965 Alminium Oxide 500g - 012-03305 Ammonium Dihydrogenphosphate 500g 7722-76-1 012-08643 Amino Acids Mixture Standard Solution, Type B 1mL×5A - 013-08391 Amino Acids Mixture Standard Solution, Type H 5mL - 015-14461 Amino Acids Mixture Standard Solution, Type AN-2 5mL - Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 015-25191 Anti Phosphorylated α-Synuclein, Monoclonal Antibody (pSyn#64) 50ul - 011-14463 Amino Acids Mixture Standard Solution, Type AN-2 1mL×5A - 011-19365 2,2'-Azobis[2-(2-imidazolin-2-yl)propane] Dihydrochloride 500g 27776-21-2 016-08641 Amino Acids Mixture Standard Solution, Type B 5mL - Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 016-20001 Anti Iba1, Rabbit (for Western Blotting) 50μg - 016-23281 Anti Rat P2X4, Monoclonal Antibody 50ug - 017-19362 2,2'-Azobis[2-(2-imidazolin-2-yl)propane] Dihydrochloride 25g 27776-21-2 018-08721 Agar, Powder 100g 9002-18-0 018-22021 Anti Mouse Ago2, Monoclonal Antibody 100μL -
Wako 019-11941 Active Carbon-impregnated Silica
Gel 现货 019-19741 Anti Iba1, Rabbit (for Immunocytochemistry) 50μg - 019-22291 Anti Olfactory Marker Protein, Goat 100μL - 021-02195 Boric acid 500g 10043-35-3 021-16201 BES-H2O2(Cell-impermeant) 1mg - 031-17601 Collagenase Type I 100mg 9001-12-1 Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 032-08385 Citric Acid Monohydrate 500g 5949-29-1 032-15372 Casein Phosphopeptide 25g - 034-06363 N-Caprylic Acid 25mL 124-07-2 034-16111 Cefotaxime Sodium Salt 1g 64485-93-4 035-04595 Creatinine 500g 60-27-5 035-17604 Collagenase Type I 1g 9001-12-1 038-23221 α-Casein, from Bovine Milk, Dephosphorylated 1mg - Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 039-01335 Carboxymethyl Cellulose Sodium Salt 500g 9004-32-4 021-17801 BES-So-AM 1mg 936356-51-3 022-07985 γ-Butyrolactone 500mL 96-48-0 025-03195 Buffer Solution Standard (Phosphate pH Standard Equimolal Solution) pH6.86 (25 degrees C) 500mL - 047-18863 Dexamethasone 100mg 50-02-2 049-18801 4',6-Diamidino-2-phenylindole Dihydrochloride n-Hydrate 10mg 28718-90-3 058-07681 EasySeparator 1set - 025-03195 Buffer Solution Standard (Phosphate pH Standard Equimolal Solution) Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 pH6.86 (25 degrees C) 500mL - 019-08393 Amino Acids Mixture Standard Solution, Type H 5Ax1mL - 019-11941 Active Carbon-impregnated Silica Gel 10g - 019-19741 Anti Iba1, Rabbit (for Immunocytochemistry) 50μg - 025-15481 BES-Thio 1mg - 026-16371 BF-170 1mg - Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 027-01276 Benzyl Alcohol 500mL 100-51-6 028-03185 Buffer Solution Standard (Phthalate pH Standard Solution) pH4.01 (25 degrees C) 500mL - 028-03185 Buffer Solution Standard (Phthalate pH Standard Solution) pH4.01 (25 degrees C) 500mL - 028-03205 Buffer Solution Standard (Tetraborate pH Standard Solution) pH9.18 (25 degrees C) 500mL - Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 077-03155 Gelatin 500g 9000-70-8 081-00136 Heparin Sodium 10mu 9041-08-1 088-00705 L-Histidine Hydrochloride Monohydrate 500g 5934-29-2 093-06471 Insulin, Human, recombinant 50mg - 097-06474 Insulin, Human, recombinant 1g 11061-68-0 120-04891 L-012 100mg - 125-05061 Lysyl Endopeptidase, Mass Spectrometry Grade 5x20μg - Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 125-05061 Lysyl Endopeptidase, Mass Spectrometry Grade 5x20μg - 125-05061 Lysyl Endopeptidase, Mass Spectrometry Grade 5x20μg - 129-02541 Lysyl Endopeptidase( R) 10AU - 129-02541 Lysyl Endopeptidase( R) 10AU - 129-02541 Lysyl Endopeptidase( R) 10AU - Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 129-04861 LY 294002 5mg 154447-36-6 130-07871 Melibiose 5g 585-99-9 028-16211 BES-So (Cell-impermeant) 1mg - 028-17811 BES-H2O2-Ac 1mg - 029-16361 BF-168 1mg - 039-23511 CultureSure? Freezing Medium 100ml - 041-18861 Dexamethasine 1g 50-02-2 042-29445 Dibasic Sodium Phosphate Hydrate 500g 10039-32-4 Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 043-22611 Dextran 200,000 100g 9004-54-0 064-05381 Fibroblast Growth Factor (basic)(FGFb / bFGF / FGF2), Human, recombinant, Animal-derived-free 50ug 106096-93-9 071-02293 gamma-Globulin, from Human Serum 5g 9007-83-4 Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 075-03075 Gellan Gum 500g 71010-52-1 131-00405 Magnesium Sulfate 500g 10034-, 99-8 136-03032 Methyl Red 25g 493-52-7 137-06085 Molecular Sieves 4A1/16 500g 70955-01-0 138-07872 Melibiose 25g 585-99-9 145-08221 Nuclease P1 500u 54576-84-0 145-08221 Nuclease P1 500u 54576-84-0 162-09115 Polyethylene Glycol 4,000 500g 25322-68-3 163-03545 Potassium Chloride 500g 7447-40-7 164-21655 N/400 Potassium Polyvinyl Sulfate Solu 500mL 26837-42-3 191-01785 Trisodium Citrate Dihydrate 500g 6132-04-3 193-02041 Glycerol 2-Phosphate Disodium Salt n-Hydrate 100g 819-83-0 195-12854 Streptavidin, from Streptomyces avidinii 5mg 9013-20-1 195-16031 StemSure (R) Freezing Medium 100ml - 196-00015 Sucrose 500g 57-50-1 196-08675 Sodium Dodecyl Sulfate 500g 151-21-3 Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 197-07485 Sodium Sulfate 500g 7757-82-6 199-02825 Sodium Dihydrogenphosphate Dihydrate 500g 13472-35-0 203-17561 Trichostatin A 1mg 58880-19-6 207-00055 L(+)-Tartaric Acid 500g 87-69-4 208-08385 1mol/l Triethylammonium Hydrogencarbonate Solution 500mL 15715-58-9 223-02112 VA-044 25g 27776-21-2 225-02111 VA-044 100g 27776-21-2 Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 165-09105 Polyethylene Glycol 2,000 500g 25322-68-3 165-17035 Polyvinylpyrrolidone K 30 500g 9003-39-8 167-09045 Polyethylene Glycol 200 500g 25322-68-3 169-04245 Potassium Dihydrogen Phosphate 500g 7778-77-0 169-09125 Polyethylene Glycol 6,000 500g 25322-68-3 185-01003 Rifampicin 5g 13292-46-1 186-01114 all-trans-Retinoic Acid 50mg 302-79-4 189-01001 Rifampicin 1g 13292-46-1 190-05535 Trisodium Citrate Dihydrate 500g 6132-04-3 Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 191-01665 Sodium Chloride 500g 7647-14-5 227-01071 Valproic Acid 5g 99-66-1 231-02011 Wetting Tension Test Mixture No.52.0 50mL - 232-01941 Wetting Tension Test Mixture No.42.0 50mL - 233-01971 Wetting Tension Test Mixture No.45.0 50mL - 234-02001 Wetting Tension Test Mixture No.50.0 50mL - 235-01931 Wetting Tension Test Mixture No.41.0 50mL - 235-02031 Wetting Tension Test Mixture No.56.0 50mL - Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 236-01961 Wetting Tension Test Mixture No.44.0 50mL - 238-01921 Wetting Tension Test Mixture No.40.0 50mL - 238-02021 Wetting Tension Test Mixture No.54.0 50mL - 238-02141 Wetting Tension Test Mixture No.73.0 50mL 7732-18-5 253-00513 Y-27632 5mg 331752-47-7 Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 257-00511 Y-27632 1mg 331752-47-7 290-34251 Presep-C DNPH 20EA - 296-63801 LabAssay? Phospholipid 1300tests - 298-64101 Fructooligosaccharides standard set set - 302-93561 Phos-tag (TM) Agarose 0.5mL - 304-93521 Phos-tag (TM) Acrylamide AAL-107 10mg - 304-93521 Phos-tag (TM) Acrylamide AAL-107 10mg - Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 290-34251 Presep-C DNPH 20EA - 290-63701 LabAssay? Triglyceride 1000tests -2016-2-29 290-65901 LabAssay? Creatinine 500tests - 291-58601 Lab Assay ALP 900tests - 293-51601 Endotoxin Extracting Solution for LAL Test 10mL x 4 - 294-62001 DsDD cDNA Subtraction kit Wako 5tests - 294-63601 LabAssay? NEFA 750tests - Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 294-65801 LabAssay? Cholesterol 1000tests - 295-50201 DNA Extractor? Kit 50tests - 295-51301 Limulus ES-II Single Test Wako 25 tests - 295-51301 Limulus ES-II Single Test Wako 25 tests - 295-73401 Fructooligosaccharides Set Set - 304-93526 Phos-tag (TM) Acrylamide AAL-107 5mM Aqueous Solution 0.3ml - 305-93551 Phos-tag? Mass Analytical Kit set - 308-93541 Phos-tag (TM) Biotin BTL-105 10mg - Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 308-93563 Phos-tag (TM) Agarose 3mL - 308-97201 Phos-tag Biotin BTL-1111 1mM Aqueous Solution 0.1000mL - 325-88521 Lipase PS Amano SD 10g - 298-65701 LabAssay? Glucose 1000tests - 300-93523 Phos-tag (TM) Acrylamide AAL-107 2mg - 301-93531 Phos-tag (TM) Biotin BTL-104 10mg - 301-99413 Phos-tagTM Biotin BTL-104 1mM Aqueous Solution[for Campaign] 0.1mL 753451-66-0 Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 302-93522 Phos-tagTM Acrylamide AAL-107 5mM Aqueous Solution[for Campaign] 0.3mL 871839-54-2 631-00651 Cellmatrix Type I -A (Collagen, Type I, 3 mg/mL, pH 3.0) 20mL - 637-00653 Cellmatrix Type I -A (Collagen, Type I, 3 mg/mL, pH 3.0) 100mL - 637-00653 Cellmatrix Type I -A (Collagen, Type I, 3 mg/mL, pH 3.0) 100mL - 638-01021 Endotoxin Standad /JPSE 10000un - 986-10001 Anti asialo GM1 (Rabbit), (014-09801) 1mL 617-45-8 Wako 019-11941 Active Carbon-impregnated Silica Gel 现货 西宝生物科技(上海)股份有限公司地址:上海市张江高科技园区毕昇路299弄11号502室 邮编:201204 电话:021-50272978 西宝市场部 手机:13917439331 QQ:2852385819 西宝生物(Seebio)--优势品牌CIL,TRC R&D,Larodan 西宝生物(Seebio)--和光纯药(WAKO)在中国大陆地区的官方授权代理机构! 西宝生物(Seebio)--Reagecon在中国大陆地区的官方授权代理机构! 西宝生物(Seebio)--Laysan在中国大陆地区的官方授权代理机构! 西宝生物(Seebio)特色产品:糖类标准品,脂肪酸标准品,花青素标准品,类胡萝卜素标准品等食品分析标准品 |