化合物信息

DB03754 

02103132 

Technical Grade
Purity: 96% min.
Buffering pH range 7.0-9.0
pKa at 25°C = 8.1
This grade of tris is suitable for use as a standard biological buffer in less critical applications where economy is an important consideration.

02103133 

Ultra Pure Grade
Purity: 99.95% min.
Buffering pH range 7.0-9.0
pKa at 25°C = 8.1
Excellent biochemical and biological buffer for all applications where ultra high purity is required. MP offers a complete selection of Biological Buffers including: BES, BICINE, BIS-TRIS, HEPES, MOPS, PIPES, And many more...

02152176 

Purity: 99.0-99.5%
Buffering pH range 7.0-9.0 pKa at 25°C = 8.1
This grade of tris is excellent where purity and value are both important. It is superior to our technical grade tris and less expensive than out ultra pure material. This grade will suffice for most buffer applications.

02194557 

(Trometamol, Tromethamine, Tris-[hydroxymethyl]amino- methane) Cell Culture Reagent Purity: 99.95% min. Buffering pH range 7.0-9.0 pKa at 25°C = 8.1 Excellent biochemical and biological buffer for all applications where ultra high purity is required.

02194855 

(Trometamol, Tromethamine, Tris-[hydroxymethyl]amino- methane) Molecular Biology Reagent Purity: 99.95% min. Buffering pH range 7.0-9.0 pKa at 25°C = 8.1 Excellent biochemical and biological buffer for all molecular biology applications.

02195605 

USP Grade
Purity: 99.95% min.
Buffering pH range 7.0-9.0
pKa at 25°C = 8.1
Excellent biochemical and biological buffer for all applications where ultra high purity is required.

04819638 

(Trometamol, Tromethamine, Tris-[hydroxymethyl]aminomethane) Purity: 99.9% Heavy metals (as Pb): <5 ppm O.D. (260nm) of a 5% saturated solution: <0.1 pKa at 20°C = 8.1 Biological buffer reagent.

04819623 

(Trometamol, Tromethamine, Tris-[hydroxymethyl]aminomethane) Purity: 99.9% Heavy metals (as Pb): <5 ppm O.D. (260nm) of a 5% saturated solution: <0.1 pKa at 20°C = 8.1 Biological buffer reagent.

04819620 

(Trometamol, Tromethamine, Tris-[hydroxymethyl]aminomethane) Purity: 99.9% Heavy metals (as Pb): <5 ppm O.D. (260nm) of a 5% saturated solution: <0.1 pKa at 20°C = 8.1 Biological buffer reagent.

Tris 

154563 

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
Application
缓冲剂和 pH 基准。20°C 时 pKa 为 8.3。1药用辅料。2,3
包装
1 kg in poly bottle
5 g in glass bottle
100, 500 g in poly bottle
5 kg in poly drum

T1410 

Other Notes
所有缓冲液的 pH 值与温度和浓度都有关。对于 Tris 缓冲液，温度每降低 1°C，pH 增加约 0.03 个单位，浓度每稀释 10 倍，pH 降低 0.03-0.05 个单位。 对于精确应用，使用带有玻璃/甘汞复合电极的经仔细校正的 pH 计。
法律信息
Trizma 注册商标 Sigma-Aldrich Co. LLC

T6687 

Other Notes
便于将 Trizma 产品规格与 Trizma 规格表进行比较。

T6066 

Application
未经过欧洲药典专论中所述肠外应用的测试。
Other Notes
便于将 Trizma 产品规格与 Trizma 规格表进行比较。
所有缓冲液的 pH 值与温度和浓度都有关。对于 Tris 缓冲液，温度每降低 1°C，pH 增加约 0.03 个单位，浓度每稀释 10 倍，pH 降低 0.03-0.05 个单位。 对于精确应用，使用带有玻璃/甘汞复合电极的经仔细校正的 pH 计。
法律信息
Trizma 注册商标 Sigma-Aldrich Co. LLC

T6791 

Other Notes
便于将 Trizma 产品规格与 Trizma 规格表进行比较。
所有缓冲液的 pH 值与温度和浓度都有关。对于 Tris 缓冲液，温度每降低 1°C，pH 增加约 0.03 个单位，浓度每稀释 10 倍，pH 降低 0.03-0.05 个单位。 对于精确应用，使用带有玻璃/甘汞复合电极的经仔细校正的 pH 计。
法律信息
Trizma 注册商标 Sigma-Aldrich Co. LLC

T1503 

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
General description
40% (w/w) 的水溶液是澄清无色的。
Other Notes
Easily compare specifications for Trizma products with the Trizma specification table.
所有缓冲液的 pH 值与温度和浓度都有关。对于 Tris 缓冲液，温度每降低 1°C，pH 增加约 0.03 个单位，浓度每稀释 10 倍，pH 降低 0.03-0.05 个单位。 对于精确应用，使用带有玻璃/甘汞复合电极的经仔细校正的 pH 计。
包装
1 kg in poly bottle
25, 100, 250, 500 g in poly bottle
5, 10, 25, 50 kg in poly drum
法律信息
Trizma 注册商标 Sigma-Aldrich Co. LLC
Protocols & Applications
Ensure correct concentrations of buffer solutions with the Buffer Calculator

CHEBI:9754 

A primary amino compound that is tert-butylamine in which one hydrogen attached to each methyl group is replaced by a hydroxy group. A compound widely used as a biological buffer substance in the pH range 7--9; pKa = 8.3 at 20 degreeC; pKa = 7.82 at 37 degreeC.