product name
Trizma ® 碱, reference material for titrimetry, certified by BAM, >99.5%
等级
reference material
质量水平
描述
aminopeptidase substrate
检测方案
>99.5%
质量
certified by BAM
技术
titration: suitable
pH值(酸碱度)
10.5-12
有效pH范围
7-9
pKa (25 °C)
8.1
bp
219-220 °C/10 mmHg (lit.)
mp
167-172 °C (lit.)
溶解性
water: soluble (678 g/l at 20 °C)
格式
neat
SMILES字符串
NC(CO)(CO)CO
InChI
1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
InChI key
LENZDBCJOHFCAS-UHFFFAOYSA-N
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一般描述
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。
应用
其可作为标准物质,用于在酸量滴定法标定滴定溶液。
特点和优势
- 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)
分析说明
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。
其他说明
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。
法律信息
Trizma is a registered trademark of Merck KGaA, Darmstadt, Germany
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
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