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Hydrochloric acid, 1 l, plastic

1 mol/l - 1 N, volumetric standard solution
Przykłady działania: korodują metale i działają żrąco na tkanki ciała; możliwe poważne uszkodzenie oczu. Bezpieczeństwo: unikać kontaktu; nosić okulary ochronne i rękawice. Przemyć wodą w razie kontaktu z oczami i skórą.
Warning
H290
i may be corrosive to metals
P234 P390
i keep only in original packaging, absorb spillage to prevent material damage
Produkty pokrewne
Pack Qty.
Pack.
HCl, Hydrogen chloride
Empirical formula HCl
Molar mass (M) 36,46 g/mol
Density (D) 1,016 g/cm³
Boiling point (bp) >85 °C
ADR 8 II
WGK 1
CAS No. [7647-01-0]
EG-Nr. 231-595-7
UN-Nr. 1789


Type analysis
19,50 € /op.

15,60 €/op.  Campaign price!

plus VAT | 1 l za op.

Nr kat. K025.1

Dostępny z magazynu w Karlsruhe
Szybka, prosta i niezawodna dostawa.
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Hydrochloric acid
Wybrana ilość:   0
  1. Suma pośrednia:  0.00
Nr kat. Pack Qty. Pack. Cena Ilość
K025.1 1 l plastic 15,60 €
K025.2 5 l plastic 46,90 €
K025.3 5 l ROTI®CUBE 50,80 €
K025.4 10 l ROTI®CUBE 74,80 €
Dostępny z magazynu w Karlsruhe
Dostępny krótkoterminowo
Niedostępny
Data dostawy obecnie nieznana
Wybrana ilość:   0
  1. Suma pośrednia:  0.00

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Informacje ogólne

Volumetric Standard Solutions

A volumetric standard solution is a solution containing a precisely known concentration of a substance. The concentration of a volumetric standard solution is determined using a primary standard, which is accurately weighed and dissolved to make a specific volume. Volumetric standard solutions are made using reagent-grade (p.a.) substances as source materials.


Volumetric Standard Solutions, ready-to-use

The advantages of this over making them yourself are:

  • Manufactured and tested using modern manufacturing and analytical methods
  • Ready-to-use solutions
  • High accuracy for precise analyses
  • Application of NIST-certified reference substances for checking
  • Connection to standard titrators is possible


Determination of Water Hardness

Water contains a whole host of salts and other compounds in addition to the gases dissolved in it (oxygen, nitrogen, carbon dioxide). Its most important constituents are magnesium and calcium in the form of their chlorides, sulphates and bicarbonates. These dissolved salts are known as hardeners. The bicarbonates precipitate in the heat (during boiling) as carbonates and are known as carbonate hardness or temporary hardness. The sulphate and chloride compounds are known as permanent hardness or non-carbonate hardness. Total hardness describes the concentration of alkaline earth metal ions in water.

The unit of measurement for water hardness used to be 1 °dH (German degrees of hardness), which corresponds to 10,00 mg CaO or 7,19 mg MgO in one litre of water. Today we use millimoles per litre (mmol/l), whereby 1 °dH corresponds to 0,18 mmol/l of earth metal ions and 1 mmol/l corresponds to 5,6 °dH.


Świadectwa jakości

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Znaleziono następujące świadectwa jakości:

Type analysis

Amount-of-substance conc. (20 °C)1 mol/l ±0,2 %  
Titer0,998 - 1,002  

0 Oceny

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