产品详情
中文名:碳酸钙
别名:碳酸钙/轻质碳酸钙/沉淀碳酸钙/轻钙/沉降碳酸钙/大理石/云石/方解石/Calcium carbonate
规格:GR,99.5%?
包装:500克
:471-34-1
保存条件:RT
碳酸钙生化试剂根据用途不同对其纯度及技术均有一定的要求。例如酶试剂,有粗制酶、结晶酶、多次结晶酶以及不含某些杂酶的酶制剂等多种。
生化试剂有三种方法:
①从生物体中分离、提纯;
②化学合成;
③发酵。
对生化试剂产品的技术要求有:含量、熔点、冰点、旋光度、含水量、光谱特征、折光、密度和生物活性等。
碳酸钙其他生化试剂类产品:4,4'-DIHYDROXYSTILBENE 二苯乙烯-4,4'-二醇 659-22-3
4,4'-DiMethoxy-4''-nitrotriphenylaMine 4-硝基-4',4''-二甲氧基三苯胺 20440-91-9
4,4'-DIMETHOXYSTILBENE 1588-49-4
4,4'-DIMETHOXYSTILBENE 4,4'-二甲氧基芪 4705-34-4
4,4'-diMethoxytrityl alcohol 40615-35-8
4,4-DIMETHYLOXAZOLIDINE 4,4-二甲基恶唑啉 51200-87-4
4,4-DIMETHYL-1-PENTANOL 3121-79-7
4,4-DIMETHYL-2-PENTANONE 4,4-二甲基-2-戊酮 590-50-1
4,4-DIMETHYLCYCLOHEXYLAMINE 4,4-二甲基环己胺 20615-18-3
4,4-DIMETHYLOXAZOLIDINE-2-THIONE 4,4-二甲基唑烷-2-硫酮 54013-55-7
4,4'-DINITROSTILBENE 4,4'-二硝基芪 250122
Methylene diphenyl diisocyanate 4,4'-亚甲基双 101-68-8
4,4'-iMinodiphenol 1752-24-5
4,4'-Methylene-bis(2-ethylaniline) 4,4'-亚甲基双(2-乙基)苯胺 19900-65-3
4,4'-METHYLENEBIS(BENZENESULFONYL CHLORIDE) 4,4'-亚甲基双(苯磺酰氯) 3119-64-0
4,4'-Methylenedianiline 4,4'-二氨基二苯甲烷 101-77-9
4,4'-TriMethylenebis(1-Methylpiperidine) 4,4'-三亚甲基双(1-甲基哌啶) 64168-11-2
4,5,6,7-Tetrahydro-3-hydroxy-[1,2,3]oxadiazolo[3,4-a]pyridin-8-iuM inner salt 4,5,6,7-四氢-3-羟基-[1,2,3]恶二唑并[3,4-A]吡啶-8-内盐 105786-95-6
4',5,7,8-TETRAHYDROXYFLAVANONE 红花素 479-54-9
4,5-Dichloro-1,2,3-dithiazoliuM chloride 4,5-二氯-1,2,3-二噻唑氯化物 75318-43-3
4,5-DICHLORO-2-FLUORO-1,3-THIAZOLE 57314-08-6
4,5-DICHLOROTHIOPHENE-2-CARBOXYLIC ACID 4,5-二氯噻吩-2-甲酸 31166-29-7
4,5-DIMETHOXY-2-METHYLANILINE 4,5-二甲氧基-2-甲基苯胺 41864-45-3
4,5-DIMETHYL-1H-IMIDAZOLE 4,5-二甲基-1H-咪唑 2302-39-8
4,6-androstadien-3,17-dione 633-34-1
4,6-DiaMinoresorcinol 4,6-二氨基间苯二酚 15791-87-4
4,6-dichloro-2-(Methylthio)-5-pyriMidine carboxylic acid 4,6-二氯-2-(甲巯基)嘧啶-5-甲酸 313339-35-4
4,6-Dichloro-2,5-diMethylpyriMidine 4,6-二氯-2,5-二甲基嘧啶 1780-33-2
4,6-Dichloro-2-trifluoroMethyl-pyriMidin-5-ylaMine 2-三氟甲基-5-氨基-4,6-二氯嘧啶 2344-17-4
PyriMidine,4,6-dichloro-2-(trifluoroMethyl)- 4,6-二氯-2-三氟甲基嘧啶 705-24-8
4,6-Dichloro-5-fluoropyriMidine 4,6-二氯-5-氟嘧啶 213265-83-9
4,6-Dichloro-5-nitro-2-trifluoroMethyl-pyriMidine 2-三氟甲基-5-硝基-4,6-二氯嘧啶 715-46-8
4,6-Dichloro-7-azaindole 4,6-二氯-7-氮杂吲哚 5912-18-5
4,6-DiMethoxypyriMidine 4,6-二甲氧基嘧啶 5270-94-0
4,6-DiMethyldibenzothiophene 4,6-二甲基二苯并噻吩 1207-12-1
4,6-O-Benzylidene-D-glucopyranose 4,6-O-苄烯-D-吡喃葡萄糖 30688-66-5
4,7-DICHLOROISATIN 4,7-二氯吲哚满二酮 18711-13-2
4-[(5-carbaMoyl-o-tolyl)azo]-3-hydroxynaphth-2-anilide 16403-84-2
4-[(MethylaMino)acetyl]Morpholine 4-[(甲基氨基)乙酰基]吗啉 41458-73-5
4-[[6-aMino-5-broMo-2-[(4-cyanophenyl)aMino]-4-pyriMidinyl]oxy]-3, 5 –diMethylbenzonitrile 4-[[2-[(4-氰基苯基)氨基]-5-溴-6-氨基]-4-嘧啶基氧基]-3,5-二甲基苯腈 269055-
15-4
4-[1-(4-AMINOPHENYL)-1-METHYLETHYL]ANILINE 2,2-双(4-氨基苯基)丙烷 2479-47-2
4-[2-(2-AMino-4,7-dihydro-4-oxo-1H-pyMol[2,3-d]pyriModin-5-yl)ethyl]benzoic acid 4-[2-(2-氨基-4,7-二氢-4-氧代-3H-吡咯并[2,3]嘧啶-5-基)乙基]苯甲酸 137281-39-1
Benzoic acid,4-[3-(4-chlorophenyl)-4,5-dihydro-1H-pyrazol-1-yl]- 26192-76-7
4-[3-(4-IODOPHENYL)-2-(2,4-DINITROPHENYL)-2H-5-TETRAZOLIO]-1,3-BENZENE DISULFONATE WST-3 515111-36-1