产品目录 - 稳定同位素

不具有放射性 安全、无污染 易控制

不具有放射性的同位素称为稳定同位素。在元素周期表中，原子序数相同，原子质量不同，化学性质基本相同，半衰期大于1015年的元素的同位素。

地球上已发现的稳定同位素共274种，原子序数在84以上的元素的同位素都是放射性同位素。常用的有34种，已实现规模生产的稳定同位素及化合物有235U、重水、6Li、10B。 是重要的核工业材料或作示踪原子。含稳定同位素最多的元素是锡，它有10种稳定同位素。在分析中应用于光谱分析，核磁共振分析，密度分析，气相色谱分析，质谱分析，中子活化分析，红外光谱分析，气相色谱-质谱分析，稀释分析等。

  1. 新药合成
  2. 分析化学
  3. 稳定同位素
123-91-1
123-91-1 / 99%, SpcDry, with molecular sieves, stabilized with BHT, Water≤50 ppm(by K.F.),SpcSeal
1,4-Dioxane 1,4-二氧六环
123-91-1 / 99.7%, SpcDry, stabilized with BHT, Water≤50 ppm (by K.F.), SpcSeal
1,4-Dioxane 1,4-二氧六环
123-91-1 / 99%, SpcDry, stabilized with BHT, Water≤50 ppm (by K.F.), SpcSeal
1,4-Dioxane 1,4-二氧六环
123-91-1 / 99%
1,4-Dioxane 1,4-二氧六环
123-91-1 / 99.9%
1,4-Dioxane 1,4-二氧六环
75-05-8
75-05-8 / 99.9%, SpcDry, Water≤50ppm (by K.F.), SpcSeal
Acetonitrile 乙腈
75-05-8 / 99.9%, SpcDry, with molecular sieves, Water≤50 ppm (by K.F.), SpcSeal
Acetonitrile 乙腈
75-05-8 / 99.9%
Acetonitrile 乙腈
75-05-8 / 99.9%，HPLC
Acetonitrile 乙腈
75-05-8 / 99.9%,gradient HPLC grade
Acetonitrile 乙腈
75-05-8 / SpcDry, with molecular sieves, Water≤10 ppm (by K.F.), SpcSeal
Acetonitrile 乙腈
67-56-1
67-56-1 / 99.8%, SpcDry, Water≤50 ppm (by K.F.), SpcSeal
Methanol 甲醇
67-56-1 / 99.8%, SpcDry, with molecular sieves, Water≤50 ppm (by K.F.), SpcSeal
Methanol 甲醇
67-56-1 / 99.8%, HPLC
Methanol 甲醇
67-56-1 / 99.8%
Methanol 甲醇
1310-73-2
1310-73-2 / 0.1 N standard solution, pure
Sodium hydroxide 氢氧化钠
1310-73-2 / 50% solution in water
Sodium hydroxide 氢氧化钠
1310-73-2 / solution 0,5 mol/l (0,5 N)
Sodium hydroxide 氢氧化钠溶液
1310-73-2 / 99%, 颗粒状, 0.5-0.6mm
Sodium hydroxide 氢氧化钠
1310-73-2 / 99%(片剂)
Sodium hydroxide 氢氧化钠
1310-73-2 / 40% solution in water
Sodium hydroxide 氢氧化钠
56-23-5
56-23-5 / 99.5%
Carbon tetrachloride 四氯化碳
56-23-5 / 99.5%, SpcDry, with molecular sieves, Water≤50 ppm (by K.F.), SpcSeal
Carbon tetrachloride 四氯化碳
56-23-5 / 99.5%, SpcDry, Water≤50 ppm (by K.F.), SpcSeal
Carbon tetrachloride 四氯化碳
56-23-5 / 99%（99.99% - C）
Carbon tetrachloride 四氯化碳
127-19-5
127-19-5 / 99%, SpcDry, with molecular sieves, Water≤50 ppm (by K.F.), SpcSeal
N,N-Dimethylacetamide N,N-二甲基乙酰胺
127-19-5 / 99%
N,N-Dimethylacetamide N,N-二甲基乙酰胺
127-19-5 / 99%, SpcDry, Water≤50 ppm (by K.F.), SpcSeal
N,N-Dimethylacetamide N,N-二甲基乙酰胺
67-66-3
67-66-3 / HPLC级
Chloroform 三氯甲烷
1634-04-4
1634-04-4 / 99%, SpcDry, Water≤50 ppm (by K.F.), SpcSeal
tert-Butyl methyl ether 甲基叔丁基醚
1634-04-4 / 99%, SpcDry, with molecular sieves, Water≤50 ppm (by K.F.), SpcSeal
Methyl tert-butyl ether 甲基叔丁基醚
1634-04-4 / 99%
tert-Butyl methyl ether 甲基叔丁基醚
1634-04-4 / 87%
回收叔丁基甲基醚
107-21-1
107-21-1 / 99%, SpcDry, with molecular sieves, Water≤50 ppm (by K.F.), SpcSeal
Ethylene glycol 乙二醇
107-21-1 / 99%, extra pure
Etheylene glycol 乙二醇
107-21-1 / 99%, SpcDry, Water≤50 ppm (by K.F.), SpcSeal
Ethylene glycol 乙二醇
107-21-1 / 99%
Ethylene Glycol 乙二醇
100-41-4
100-41-4 / 99.5%, SpcDry, Water≤50 ppm (by K.F.), SpcSeal
Ethylbenzene 乙基苯
100-41-4 / 99.5%
Ethylbenzene 乙基苯
100-41-4 / 99.5%, with molecular sieves, SpcDry, Water≤50 ppm (by K.F.), SpcSeal
Ethylbenzene 乙基苯
98-08-8
98-08-8 / 99%, SpcDry, Water≤50 ppm (by K.F.), SpcSeal
Benzotrifluoride 三氟甲苯
98-08-8 / 99%, SpcDry, with molecular sieves, Water≤50 ppm (by K.F.), SpcSeal
Benzotrifluoride 三氟甲苯
98-08-8 / 99%
Benzotrifluoride 三氟甲苯
71-43-2
71-43-2 / 99%, SpcDry, Water≤50 ppm (by K.F.), SpcSeal
Benzene 苯
71-43-2 / 99%, SpcDry, with molecular sieves, Water≤50 ppm (by K.F.), SpcSeal
Benzene 苯
71-43-2 / 99%, SpcDry, stabilized with BHT, Water≤50 ppm (by K.F.), SpcSeal
Benzene 苯
71-43-2 / 99%
Benzene 苯
95-50-1
95-50-1 / 99%
1,2-Dichlorobenzene 1,2-二氯苯
95-50-1 / 99%, SpcDry, with molecular sieves, Water≤50 ppm (by K.F.), SpcSeal
1,2-Dichlorobenzene 1,2-二氯苯
95-50-1 / 99%, SpcDry, Water≤50 ppm (by K.F.), SpcSeal
1,2-Dichlorobenzene 1,2-二氯苯
95-50-1 / 99%, extra pure
1,2-Dichlorobenzene 1,2-二氯苯
2206-27-1
2206-27-1 / 99.8 atom%D, contains 0.03% v/v TMS
Dimethyl sulfoxide-d6 氘代DMSO 含TMS
2206-27-1 / CIL:DLM-10TC
Dimethyl sulfoxide-d6 二甲基亚砜-d6
2206-27-1 / CIL:DLM-10
Dimethyl sulfoxide-d6 二甲基亚砜-d6
7789-20-0
7789-20-0 / CIL:DLM-4-100
Deuterium oxide 重水
7789-20-0 / 99.9% D
Deuterium oxide 重水
7789-20-0 /
Deuterium oxide 重水
865-49-6
865-49-6 / 99.8 atom%D, contains 0.03% v/v TMS
Chloroform-d 氘代氯仿
865-49-6 / CIL：DLM-7TC-100S
Chloroform-d 氘代氯仿
865-49-6 / CIL：DLM-7-100S
Chloroform-d 氘代氯仿
865-49-6 / sigma：22579
Chloroform-d 氘代氯仿
92051-23-5
92051-23-5 / 98%
1,3,4,6-Tetra-O-acetyl-2-O-trifluoromethylsulfonyl-β-D-mannopyranose, 98% 1,3,4,6-四-O-乙酰基-2-O-三氟甲烷磺酰基-β-D-吡喃甘露糖
666-52-4
666-52-4 / 99.8%, 0.03%TMS
Acetone-d6 氘代丙酮
666-52-4 / CIL：DLM-9
Acetone-d6 氘代丙酮
666-52-4 / CIL：DLM-9TC
Acetone-d6 氘代丙酮
65-85-0
65-85-0 / 99%
Benzoic acid 苯甲酸
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