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Merck
CN

60142

氯化钾 溶液

BioUltra, Molecular Biology, ~1 M in H2O

别名:

KCl, potassium chloride

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关于此项目

线性分子式:
KCl
化学文摘社编号:
分子量:
74.55
UNSPSC Code:
12352302
NACRES:
NA.26
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
1711999
Grade:
Molecular Biology
Form:
liquid (Clear)
Solubility:
water: soluble
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产品名称

氯化钾 溶液, BioUltra, Molecular Biology, ~1 M in H2O

InChI key

WCUXLLCKKVVCTQ-UHFFFAOYSA-M

SMILES string

[Cl-].[K+]

InChI

1S/ClH.K/h1H;/q;+1/p-1

grade

Molecular Biology

product line

BioUltra

form

liquid (Clear)

concentration

~1 M in H2O

impurities

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected
≤0.001% total nitrogen (N)

pH

5.0-8.0 (25 °C, 1 M in H2O)

solubility

water: soluble

density

1.04 g/mL at 20 °C

anion traces

sulfate (SO42-): ≤10 mg/kg

cation traces

Al: ≤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
Li: ≤1 mg/kg
Mg: ≤1 mg/kg
Mn: ≤1 mg/kg
Mo: ≤1 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Sr: ≤1 mg/kg
Zn: ≤1 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.02
λ: 280 nm Amax: 0.01

Quality Level

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Application

氯化钾溶液被用作以下溶液组分:
  • 基于多重退火和循环的扩增循环(MALBAC)裂解缓冲液,用于消化用于单细胞多组学测序的蛋白质
  • 单细胞标记的逆转录(STRT)缓冲液,以及用于单细胞RNA测序的STRT-RT缓冲液细胞
  • 磷酸盐缓冲液(PBS),用于冲洗转染细胞

General description

钾是一种细胞内阳离子,只有人体中2%的K+ 存在于细胞外液中。K+ 在细胞内和细胞外的空间分布可通过几种转运途径的作用来分析,如Na+-K+-ATP酶、Na+-K+-2Cl-共转运蛋白NKCC1,四种KCC和过多的K+ 通道。此外,骨骼肌含有人体近75%的钾,并对细胞外K+产生相当大的影响。口服氯化钾可预防或纠正因使用利尿剂或其他情况引起的钾缺乏。它被用作食品补充剂和食盐替代品。

存储类别

10 - Combustible liquids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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访问文档库

Meyler's Side Effects of Drugs (2016)
Transport of Sodium, Chloride, and Potassium
Brenner and Rector's The Kidney E-book (2019)
Takanobu Kato et al.
Nature protocols, 1(5), 2334-2339 (2007-04-05)
Hepatitis C virus (HCV) infection causes chronic liver disease and is a worldwide health problem. Despite ever-increasing demand for knowledge on viral replication and pathogenesis, detailed analysis has been hampered by a lack of efficient viral culture systems. We isolated
Yuanyuan Qu et al.
Nucleic acids research, 41(10), 5263-5272 (2013-04-13)
Bacterial nucleoid-associated proteins, such as H-NS-like proteins in Enterobacteriaceae, are abundant DNA-binding proteins that function in chromosomal DNA organization and gene transcription regulation. The Mycobacterium tuberculosis Lsr2 protein has been proposed to be the first identified H-NS analogue in Gram-positive
Calista K L Ng et al.
Human molecular genetics, 24(11), 3163-3171 (2015-02-26)
mRNA decay is an essential and active process that allows cells to continuously adapt gene expression to internal and environmental cues. There are two mRNA degradation pathways: 3' to 5' and 5' to 3'. The DCPS protein is the scavenger

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