离子色谱试剂主要用于离子色谱技术中分离和分析样品中的阴离子和阳离子。这类试剂包括淋洗液、抑制剂、保护柱等关键组分。
淋洗液:通常包含H₂O或甲醇作为溶剂,并加入少量的酸(如磷酸)以调节pH值,增强电导检测效果。常用的淋洗液体系有碳酸氢盐-碳酸盐体系、氢氧化钠-硼酸体系等。
抑制剂:在离子色谱中使用电导抑制器时必不可少。抑制剂能够与样品中的阳离子或阴离子反应生成无电荷的络合物,从而大大降低淋洗液背景电导,提高检测灵敏度。常见的抑制剂包括二乙胺基乙醇(DEAE)、苯乙烯二甲基磺酸盐(DM18-S柱专用)等。
保护柱:由于离子色谱柱价格昂贵且容易被污染或堵塞,因此在分析前通常会预先连接一根较短的保护柱。保护柱用于截留大分子物质、胶体颗粒或其他可能损害分析柱性能的杂质。
其他试剂:
以上试剂和用品在使用过程中需注意保存条件(如温度、湿度)、避免交叉污染,并严格按照操作规程进行配置与更换。
中文名称 | 英文名称 | CAS号 | 化学式 | 结构式图片 |
---|---|---|---|---|
2-(3,4二羟基苯基)-5,7-二羟基-4-氧代-4H-1-苯并吡喃-3-基-beta-D-吡喃葡糖苷酸 | quercetin 3-O-β-D-glucuronopyranoside | 22688-79-5 | C21H18O13 |
|
2-(2-甲基-5-硝基咪唑-1-基)乙酸 | 2-methyl-5-nitroimidazole-1-acetic acid | 1010-93-1 | C6H7N3O4 |
|
2,2-二氯-N-[(1R,2R)-1,3-二羟基-1-(3-硝基苯基)-2-丙基]乙酰胺 | m-Chloramphenicol | 7411-65-6 | C11H12Cl2N2O5 |
|
12-脱氧与单萜内酯 | 12-deoxywithastramonolide | 60124-17-6 | C28H38O6 |
|
10,11-二氢-10-羟基卡马西平 | 10,11-dihydro-10-hydroxy-5H-dibenz[b,f]azepine-5-carboxamide | 29331-92-8 | C15H14N2O2 |
|
1-羟基异丁基苯基-1’-甲基丙酸 | 1-hydroxyibuprofen | 53949-53-4 | C13H18O3 |
|
1-(3-溴苯基)-2-[(叔丁基)氨基]-1-丙酮盐酸盐 | 2-((1,1-Dimethylethyl)amino)-1-(3-bromophenyl)-1-propanone hydrochloride | 1049718-43-5 | C13H19BrClNO |
|
1-(2,6-二氯苯基)-1,3-二氢-2H-吲哚-2-酮 | 1-(2,6-dichlorophenyl)indolin-2-one | 15362-40-0 | C14H9Cl2NO |
|
1,3-二羟甲基-5,5-二甲基海因 | 1,3-bis-hydroxymethyl-5,5-dimethyl-imidazolidine-2,4-dione | 6440-58-0 | C7H12N2O4 |
|
1,3-二咖啡酰奎宁酸 | 1,5-dicaffeoylquinic acid | 19870-46-3 | C25H24O12 |
|
1,3-二(邻甲氧基苯氧基)-2-丙醇 | 1,3-bis(2-methoxyphenoxy)propan-2-ol | 16929-60-5 | C17H20O5 |
|
1,2,3,9-四氢-9-甲基-3-亚甲咔唑酮 | 9-methyl-3-methylene-1,2,3,9-tetrahydro-4H-carbazol-4-one | 99614-64-9 | C14H13NO |
|
1,2,3,4-四氢-9-甲基-4H-咔唑酮 | 9-methyl-1,2,3,9-tetrahydro-4H-carbazol-4-one | 27387-31-1 | C13H13NO |
|
1,1'-[[2-(2-甲氧基苯氧基)乙基]亚氨基]二[3-(9H-咔唑-4-基氧基)-2-丙醇] | (1,1'-[2-(2-methoxyphenoxy)ethyl]iminobis-[3-(9H-carbazol-4-yloxy)]-propan-2-ol) | 918903-20-5 | C39H39N3O6 |
|
(S)-2-(6-羟基-2-萘)丙酸 | O-desmethylnaproxen | 52079-10-4 | C13H12O3 |
|
(3Z)-3-[羟基-[(5-羟基吡啶-2-基)氨基]亚甲基]-2-甲基-1,1-二氧代苯并[e]噻嗪-4-酮 | 5'-Hydroxypiroxicam | 77459-78-0 | C15H13N3O5S |
|
(2Rs)-2-[4-(2-甲基丙基)苯基]丙酰胺 | 2-(4-isobutylphenyl)propanamide | 59512-17-3 | C13H19NO |
|
(1S,3S,4R)-对薄荷-8-烯-3-醇 | (+)-isopulegol | 104870-56-6 | C10H18O |
|
(1S)-(-)-TRANS 蒎烷 | trans-pinane | 10281-53-5 | C10H18 |
|
(1S)-(+)-乙酸薄荷酯 | D-menthyl acetate | 5157-89-1 | C12H22O2 |
|
(1R)-(+)-CIS 蒎烷 | (1R)-(+)-cis-pinane | 4795-86-2 | C10H18 |
|
(-)-顺式-桃金娘烷醇 | (-)-cis-myrtanol | 51152-12-6 | C10H18O |
|
(-)-母菊素 | matricin | 29041-35-8 | C17H22O5 |
|
(+)-香绵菊醇 | santolina alcohol | 35671-15-9 | C10H18O |
|
(+)-薄荷酮 | l-menthone | 3391-87-5 | C10H18O |
|
(+)-薄荷呋喃 | (+)-menthofuran | 17957-94-7 | C10H14O |
|
(+)-反式-柠檬烯 1,2-环氧化物 | (1S,2R,4R)-limonene-1,2-epoxide | 6909-30-4 | C10H16O |
|
(+)-α-松油醇 | 4R-α-terpineol | 7785-53-7 | C10H18O |
|
(+)-4-萜品醇 | (+)-terpinen-4-ol | 2438-10-0 | C10H18O |
|
(+)-3-蒈烯 | (+)-Δ<sup>3</sup>-carene | 498-15-7 | C10H16 |
|
—— | Ranitidine S-oxide | 73851-70-4 | C13H22N4O4S |
|
—— | (2S)-6-methyl-2-[(5S,10S,13S,14S,17R)-4,4,10,13,14-pentamethyl-3-oxo-1,2,5,6,7,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]hept-5-enoic acid | 28282-25-9 | C30H46O3 |
|
—— | cis-trans-ζ(1)-Tocopherol | 1721-51-3 | C29H44O2 |
|
—— | Cynarin | 30964-13-7 | C25H24O12 |
|
—— | (2R,3S)-3,5,7-Trihydroxy-2-[3-(4-hydroxy-3-methoxyphenyl)-2-(hydroxymethyl)-2,3-dihydro-1,4-benzodioxin-6-yl]-2,3-dihydrochromen-4-one | 802918-57-6 | C25H22O10 |
|
—— | nifurpirinol | 13411-16-0 | C12H10N2O4 |
|
—— | Heliotridin | 480-85-3 | C8H13NO2 |
|
—— | Retronecin | 480-85-3 | C8H13NO2 |
|
—— | 2-Hydroxy-oestradiol-(17β) | 362-05-0 | C18H24O3 |
|
—— | Imidocarb Dipropionate | 55750-06-6 | C25H32N6O5 |
|
—— | (+/-)-3<i>c</i>-hydroxy-5-oxo-tetrahydro-furan-2<i>r</i>,3<i>t</i>-dicarboxylic acid | 469-72-7 | C6H6O7 |
|
—— | Larixylacetat | 4608-49-5 | C22H36O3 |
|
—— | 6-methyl-2-[(10S,13S,14S)-4,4,10,13,14-pentamethyl-3-oxo-1,2,5,6,7,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]hept-5-enoic acid | 28282-25-9 | C30H46O3 |
|
—— | secologanoside | 19351-28-1 | C17H24O10 |
|
—— | dehydroretronecine | 480-85-3 | C8H13NO2 |
|
—— | miquelianin | 22688-79-5 | C21H18O13 |
|
—— | Quercetin-3-glucuronid | 22688-79-5 | C21H18O13 |
|
—— | quercetin 3-O glucuronide | 22688-79-5 | C21H18O13 |
|
—— | sodium [(4-aminophenyl)sulfonyl](6-chloropyrazin-2-yl)azanide | 23307-72-4 | C10H8ClN4O2S*Na |
|
—— | Pinicolic acid A | 28282-25-9 | C30H46O3 |
|