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Merck
CN

74092

Sigma-Aldrich

磷酸二氢钠 溶液

BioUltra, 5 M in H2O

别名:

磷酸二氢钠溶液, 磷酸二氢钠,正磷酸二氢钠,磷酸二氢一钠,磷酸二氢钠

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About This Item

经验公式(希尔记法):
H2NaO4P
CAS号:
分子量:
119.98
Beilstein:
3903772
MDL编号:
UNSPSC代码:
12161700
PubChem化学物质编号:
NACRES:
NA.25

产品线

BioUltra

质量水平

形式

liquid

浓度

5 M in H2O

杂质

insoluble matter, passes filter test
≤0.001% total nitrogen (N)

pH值(酸碱度)

3.0-4.5 (25 °C, 5 M in H2O)

溶解性

H2O: 5 M, clear, colorless

密度

1.40 g/mL at 20 °C

痕量阴离子

chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤30 mg/kg

痕量阳离子

Al: ≤1 mg/kg
As: ≤0.1 mg/kg
Ba: ≤1 mg/kg
Bi: ≤1 mg/kg
Ca: ≤5 mg/kg
Cd: ≤1 mg/kg
Co: ≤1 mg/kg
Cr: ≤1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤1 mg/kg
K: ≤20 mg/kg
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

λ

1 M in H2O

紫外吸收

λ: 260 nm Amax: ≤0.025
λ: 280 nm Amax: ≤0.02

应用

diagnostic assay manufacturing

SMILES字符串

[Na+].OP(O)([O-])=O

InChI

1S/Na.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1

InChI key

AJPJDKMHJJGVTQ-UHFFFAOYSA-M

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一般描述

磷酸二氢钠可作为磷酸根离子的来源。 采用磷酸二氢钠治疗严重低磷血症也见有报道。

应用

磷酸二氢钠溶液可用作人工脑脊液(aCSF)储备溶液的的成分,用于小型中间神经元(interneuron)的patch-seq 分析。它也可用作制备细胞粗提液的添加剂,用于分散(decentralizing)无细胞RNA感测。

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves


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实验方案

To measure alcohol dehydrogenase activity, this assay uses β-nicotinamide adenine dinucleotide phosphate and a continuous spectrophotometric rate determination at 340 nm.

在测定醇脱氢酶活性时,该测定使用β-烟酰胺腺嘌呤二核苷酸磷酸和在340nm处的连续分光光度法进行测定。

To measure hyaluronidase activity, a turbidimetric determination assay is used at 600 nm. One unit of hyaluronidase activity will cause a change in absorbance of 0.330 per minute at pH 5.35 at 37 °C.

在测定透明质酸酶活性时,使用了一种在600 nm处的比浊测定法进行测定。在pH 5.35、37 °C下,一单位的透明质酸酶活性可每分钟引起0.330的吸光值改变。

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