93440
Trizma ® 碱
≥99.5%, solid, certified reference material, certified by BAM
别名:
2-氨基-2-(羟甲基)-1,3-丙二醇, THAM, Tris 碱, 三羟甲基氨基甲烷, 氨基丁三醇
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关于此项目
线性分子式:
NH2C(CH2OH)3
化学文摘社编号:
分子量:
121.14
NACRES:
NA.24
PubChem Substance ID:
UNSPSC Code:
41116107
EC Number:
201-064-4
MDL number:
Beilstein/REAXYS Number:
741883
产品名称
Trizma ® 碱, reference material for titrimetry, certified by BAM, >99.5%
assay
>99.5%
InChI
1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
InChI key
LENZDBCJOHFCAS-UHFFFAOYSA-N
SMILES string
NC(CO)(CO)CO
grade
reference material
description
aminopeptidase substrate
quality
certified by BAM
technique(s)
titration: suitable
pH
10.5-12
useful pH range
7-9
pKa (25 °C)
8.1
bp
219-220 °C/10 mmHg (lit.)
mp
167-172 °C (lit.)
solubility
water: soluble (678 g/l at 20 °C)
format
neat
Quality Level
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Analysis Note
精确浓度、有效期、可溯源性以及详细认证信息，请见每个包装内的证书和认证报告。标签上标明含量和有效期。
Application
其可作为标准物质，用于在酸量滴定法标定滴定溶液。
Features and Benefits
- 以坚固玻璃瓶装固体形式提供，确保开封前整个保质期内的稳定性。
- 高纯度材料，可追溯至 NIST SRM
- 高品质材料，可提供精准的滴定测定
- 随附分析证书（CoA）
General description
Trizma® 碱是在严格条件下以最高精度分析生产的容量法滴定标准品。其含量通过使用组合pH玻璃电极的体积中和滴定法测定。标准品的认证值和不确定性测量满足 ISO 指南 35 的要求。
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Other Notes
所有缓冲液的 pH 值都取决于温度和浓度。Tris 缓冲液，温度每降低 1°C，pH 值增加约 0.03 个单位，每稀释十倍 pH 值降低0.03-0.05 个单位。
对于精确的应用，使用经过精心校准的 pH 计和玻璃/甘汞组合电极。
对于精确的应用，使用经过精心校准的 pH 计和玻璃/甘汞组合电极。
Legal Information
Trizma is a registered trademark of Merck KGaA, Darmstadt, Germany
存储类别
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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