产品详情
pH指示剂-上海甄准
指示剂是分析化学中的一类试剂,它用于滴定操作中,用来指示滴定反应的终点。滴定反应需要灵敏的指示剂来指示反应的完成。指示剂在反应完成时,会迅速变成另一种颜色。这样实验者就可以根据指示剂的变色来确定反应的终止。
上海甄准生物提供pH指示剂。
产品信息:
货号 | 中文品名 | 英文品名 | CAS No | 纯度 | 规格 |
32073248 | 碱性紫1 | Basic Violet 1 | 8004-87-3 | 25g/100g/500g | |
32073249 | 苯并红紫4B | Benzopurpurine 4B | 992-59-6 | 25g | |
32073250 | 酸性黄 36 | Acid Yellow 36 | 587-98-4 | 25g/500g | |
32073251 | 间甲酚紫 | Metacresol Purple | 2303-01-7 | 1g/25g | |
32073252 | 间甲酚紫钠盐 | Metacresol Purple Sodium Salt | 62625-31-4 | 1g/5g | |
32073253 | 二甲苯酚蓝 | p-Xylenol Blue | 125-31-5 | 1g/25g | |
32073254 | 百里酚蓝 | Thymol Blue | 76-61-9 | 1g/25g | |
32073255 | 百里酚蓝钠盐 | Thymol Blue Sodium Salt | 62625-21-2 | 1g | |
32073256 | 橙黄5 | Acid Orange 5 | 554-73-4 | 25g | |
32073257 | 五甲氧基红 | Pentamethoxy Red | 1755-51-7 | 1g/25g | |
32073258 | 苯甲基橙 | Benzyl Orange | 36402-77-4 | 1g/5g | |
32073259 | 甲基黄 | Methyl Yellow | 60-11-7 | 25g | |
32073260 | 四溴酚蓝 | Tetrabromophenol Blue | 4430-25-5 | >950%(HPLC) | 1g/5g |
32073261 | 四溴酚蓝 | Tetrabromophenol Blue | 4430-25-5 | >950%(HPLC) | 1g/5g |
32073262 | 溴氯酚蓝 | Bromochlorophenol Blue | 2553-71-1 | 1g | |
32073263 | 溴酚蓝 | Bromophenol Blue | 115-39-9 | 1g/25g | |
32073264 | 溴甲酚蓝钠盐 | Bromophenol Blue Sodium Salt | 34725-61-6 | 1g/5g | |
32073265 | 刚果红 | Congo Red | 573-58-0 | >980%(HPLC) | 25g |
32073266 | 甲基橙 | Methyl Orange | 547-58-0 | >980%(HPLC) | 25g |
32073267 | 乙基橙 | Ethyl Orange | 62758-12-7 | >980%(HPLC) | 25g |
32073268 | TBPE(=四溴苯酚酞乙酯钾盐) | TBPE (=Tetrabromophenolphthalein Ethyl Ester Potassium Salt) [Sensitive spectrophotometric reagent for amines, quaternary ammonium salts and other cations] | 62637-91-6 | >980%(HPLC) | 1g |
32073269 | 4-乙氧基橘红盐酸盐 | 4-Ethoxychrysoidine Hydrochloride | 2313-87-3 | >950%(T) | 5g/25g |
32073270 | 溴甲酚绿 | Bromocresol Green | 76-60-8 | 1g/5g/25g | |
32073271 | 溴甲酚绿钠盐 | Bromocresol Green Sodium Salt | 62625-32-5 | >980%(W) | 1g/5g |
32073272 | 2,5-二硝基苯酚(加约20%水湿润,本品干重约为5g) | 2,5-Dinitrophenol (wetted with ca 20% Water, containing 5g on a dry weight basis) | 329-71-5 | >990%(T) | 5g |
32073273 | 酸性红 2 | Methyl Red | 493-52-7 | 1g/25g | |
32073274 | 甲基红钠盐 | Methyl Red Sodium Salt | 845-10-3 | 1g/25g | |
32073275 | 间苯二酚蓝 | Lacmoid | 42249-61-6 | 1g/5g | |
32073276 | 氯酚红 | Chlorophenol Red | 4430-20-0 | >900%(HPLC) | 1g/5g |
32073277 | 氯酚红钠盐 | Chlorophenol Red Sodium Salt | 123333-64-2 | 1g/5g | |
32073278 | 4-硝基苯酚钠盐二水化合物 | 4-Nitrophenol Sodium Salt Dihydrate | 66924-59-2 | >980%(T) | 25g/500g |
32073279 | 溴甲酚紫 | Bromocresol Purple | 115-40-2 | >970%(HPLC) | 1g/25g |
32073280 | 溴甲酚紫钠盐 | Bromocresol Purple Sodium Salt | 62625-30-3 | 1g/5g | |
32073281 | 溴酚红 | Bromophenol Red | 2800-80-8 | >800%(HPLC) | 1g/25g |
32073282 | 溴百里酚蓝 | Bromothymol Blue | 76-59-5 | 1g/25g | |
32073283 | 溴百里酚蓝钠盐 | Bromothymol Blue Sodium Salt | 34722-90-2 | 5g/25g | |
32073284 | 溴二甲苯酚蓝 | Bromoxylenol Blue | 40070-59-5 | 5g/25g | |
32073285 | 碱性红5 | Basic Red 5 | 553-24-2 | 25g | |
32073286 | 玫红酸 | Pararosolic Acid | 603-45-2 | 25g | |
32073287 | 酚红 | Phenol Red | 143-74-8 | 1g/25g/100g | |
32073288 | 苯酚红钠盐 | Phenol Red Sodium Salt | 34487-61-1 | 5g/25g | |
32073289 | 2-硝基苯酚钠盐 | 2-Nitrophenol Sodium Salt | 824-39-5 | >990%(HPLC)(T) | 25g/500g |
32073290 | α-萘酚酞 | α-Naphtholphthalein | 596-01-0 | >980%(HPLC) | 1g/5g |
32073291 | 甲酚红 | Cresol Red | 1733-12-6 | >980%(HPLC) | 1g/25g |
32073292 | 甲酚红钠盐 | Cresol Red Sodium Salt | 62625-29-0 | 1g/25g | |
32073293 | 间甲酚紫 | Metacresol Purple | 2303-01-7 | 1g/25g | |
32073294 | 间甲酚紫钠盐 | Metacresol Purple Sodium Salt | 62625-31-4 | 1g/5g | |
32073295 | 双(2,4-二硝基苯)乙酸乙酯 | Ethyl Bis(2,4-dinitrophenyl)acetate | 5833-18-1 | >980%(HPLC) | 5g |
32073296 | 酚酞 | Phenolphthalein | 77-09-8 | >980%(T) | 25g/500g |
32073297 | 百里酚蓝 | Thymol Blue | 76-61-9 | 1g/25g | |
32073298 | 百里酚蓝钠盐 | Thymol Blue Sodium Salt | 62625-21-2 | 1g | |
32073299 | 二甲苯酚蓝 | p-Xylenol Blue | 125-31-5 | 1g/25g | |
32073300 | 邻甲酚酞 | o-Cresolphthalein | 596-27-0 | 25g | |
32073301 | 百里酚酞 | Thymolphthalein | 125-20-2 | 1g/25g | |
32073302 | 媒染橙 1 | Mordant Orange 1 | 2243-76-7 | 25g | |
32073303 | 茜素黄GG | Alizarin Yellow GG | 584-42-9 | 25g | |
32073304 | 金莲橙O | Tropaeolin O | 547-57-9 | >980%(GC) | 1g |
32073305 | 1,3,5-三硝基苯(加约40%水湿润,本品干重约为10g) | 1,3,5-Trinitrobenzene (wetted with ca 40% Water, containing 10g on a dry weight basis) | 99-35-4 | >980%(GC) | 10g |
32073306 | 靛蓝胭脂红 | ndigo Carmine | 860-22-0 | >950%(E) | 25g |
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