94119
甘氨酸
analytical standard, for nitrogen determination according to Kjeldahl method
别名:
2-氨基乙酸, 氨基乙酸, 甘氨酸
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关于此项目
线性分子式:
NH2CH2COOH
化学文摘社编号:
分子量:
75.07
NACRES:
NA.24
PubChem Substance ID:
eCl@ss:
32160406
UNSPSC Code:
12352209
EC Number:
200-272-2
MDL number:
Beilstein/REAXYS Number:
635782
产品名称
甘氨酸, analytical standard, for nitrogen determination according to Kjeldahl method
SMILES string
NCC(O)=O
InChI key
DHMQDGOQFOQNFH-UHFFFAOYSA-N
InChI
1S/C2H5NO2/c3-1-2(4)5/h1,3H2,(H,4,5)
grade
analytical standard
assay
≥99.0%
analyte chemical class(es)
amino acids, peptides, proteins
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
titration: suitable
impurities
18.6%±0.2% total nitrogen acc. to Kjeldahl
loss
≤0.05% loss on drying
pKa (25 °C)
(1) 2.35, (2) 9.60
2.35
mp
240 °C (dec.) (lit.)
solubility
1 M HCl: 75 mg/L, clear, colorless (2.252g in 30mL)
anion traces
chloride (Cl-): ≤50 mg/kg
cation traces
NH4+: ≤200 mg/kg
application(s)
food and beverages
format
neat
Quality Level
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Application
它可作为分析标准品用于：
- 评估测定临床实验室所用参考标准品总蛋白含量的凯氏′定氮法。
- 采用微孔茚三酮测定法分析啤酒和葡萄酒的蛋白质和总可用氮。
- 在实验室间研究中比较用于乳制品常规分析的凯氏定氮法和杜马斯法。
- 同时测定地表水样品中的总磷和总凯氏氮。
- 采用 Valdetrama 方法定量测定地表水中的硝酸盐。
- 采用自动分析仪测量低水平的凯氏氮。
有关合适的仪器技术的更多信息，请参阅产品的分析证书。想要获得更多支持，请联系技术服务部。
Biochem/physiol Actions
脊髓中的抑制性神经递质，NMDA受体的变构调节器。
Features and Benefits
- 以安全洁净的玻璃瓶形式提供，以确保其在打开前的整个保质期内保持稳定性。
- 高品质材料，可提供精准的滴定测定
General description
甘氨酸标准品是在严格条件下生产，并以尽可能高的精度进行测量。
存储类别
13 - Non Combustible Solids
wgk
WGK 1
ppe
Eyeshields, Gloves, type N95 (US)
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Xu W, et al.
Angewandte Chemie (Weinheim an der Bergstrasse, Germany), 129, 2062-2066 (2017)
Structure of Glycine Dihyrate: Its Implications to Crystallization of Glycine from Solution and Modification of Glycine in Space
Hu.T.C, et al.
Acta Crystallographica Section A, Foundations of Crystallography, 73 (2017)
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