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Merck
CN

47590

氢氟酸

puriss. p.a., ≥40%

别名:

HF

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关于此项目

经验公式(希尔记法):
HF
化学文摘社编号:
分子量:
20.01
UNSPSC Code:
12352106
MDL number:
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InChI

1S/FH/h1H

SMILES string

[H+].[F-]

vapor pressure

25 mmHg ( 20 °C)

grade

puriss. p.a.

assay

≥40% (acidimetric), ≥40%

ign. residue

≤0.0005% (as SO4)

anion traces

chloride (Cl-): ≤1 mg/kg, hexafluorosilicate (SiF62-): ≤50 mg/kg, phosphate (PO43-): ≤0.5 mg/kg, sulfate (SO42-): ≤2 mg/kg, sulfite (SO32-): ≤2 mg/kg

cation traces

Ag: ≤0.02 mg/kg, Al: ≤0.05 mg/kg, As: ≤0.05 mg/kg, Ba: ≤0.1 mg/kg, Bi: ≤0.1 mg/kg, Ca: ≤0.5 mg/kg, Cd: ≤0.01 mg/kg, Co: ≤0.02 mg/kg, Cr: ≤0.02 mg/kg, Cu: ≤0.02 mg/kg, Fe: ≤0.2 mg/kg, K: ≤0.1 mg/kg, Li: ≤0.02 mg/kg, Mg: ≤0.2 mg/kg, Mn: ≤0.05 mg/kg, Mo: ≤0.05 mg/kg, Na: ≤0.2 mg/kg, Ni: ≤0.02 mg/kg, Pb: ≤0.05 mg/kg, Sr: ≤0.02 mg/kg, Tl: ≤0.05 mg/kg, Zn: ≤0.05 mg/kg

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Packaging

塑料瓶包装

Other Notes

硅酸盐分解试剂

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

pictograms

Skull and crossbonesCorrosion

signalword

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Eye Dam. 1 - Skin Corr. 1A

存储类别

6.1B - Non-combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

法规信息

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)
Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)
Denise C Jarrin et al.
Pediatric cardiology, 36(1), 41-48 (2014-07-25)
Heart rate variability (HRV) is a non-invasive quantitative marker of cardiac autonomic function derived from continuous electrocardiogram (ECG) recordings. Normative HRV values and development factors have not been established in pediatric populations. The objective was to derive referent time- and
Philip J Millar et al.
Circulation, 131(5), 459-468 (2014-12-04)
Muscle sympathetic activation in heart failure with reduced ejection fraction (HFrEF) has been attributed, on the basis of multiunit recordings, to attenuated inhibitory feedback from stretch-sensitive cardiopulmonary mechanoreceptors. However, such preparations integrate 2 populations of single units exhibiting directionally opposite
Nicolas Vodovar et al.
JACC. Heart failure, 3(8), 629-636 (2015-08-08)
This study sought to hypothesize that elevated B-type natriuretic peptide (BNP) could act as an endogenous neprilysin inhibitor. A hallmark of acute decompensated heart failure (ADHF) is the overproduction of natriuretic peptides (NPs) by stretched cardiomyocytes. Various strategies have been

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