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Water, 4 l

ROTIPURAN® Low organic
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Empirical formula H2O
Molar mass (M) 18,02 g/mol
Density (D) 1 g/cm³
Boiling point (bp) 100 °C
Melting point (mp) 0 °C
CAS No. 7732-18-5
EG-Nr. 231-791-2

High-purity water for sample preparation in organic trace analysis and for molecular biology.

€147.85/Pack Qty. 

excl. VAT. | 4 l per Pack Qty.

Art. No. HN57.2

In stock
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from 6 Pack Qty. €140.46/Pack Qty.
from 24 Pack Qty. €133.06/Pack Qty.

Product details

Water ROTIPURAN® Low organic

Technical Information
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Art. No. Pack Qty. Pack. Price Quantity
HN57.1 1 l glass


HN57.2 4 l glass


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Downloads / MSDS

General information

ROTIPURAN® Ultra/Supra

Acids, Alkaline Solutions and Water for trace analysis via ICP-OES, ICP-MS, AAS and IC

Carl ROTH provides two high quality product lines, ROTIPURAN® Ultra & Supra specially for research, trace analysis and electronics. These ultrapure reagents are produced using a technologically complex distillation process (subboiling distillation) and are filled only into specially selected, suitable containers under clean room conditions. Very extensive production and quality controls guarantee extremely high quality.


This supra quality line (ppb-quality) is perfectly suitable for sample preparation in trace analysis (e.g. via ICP-OES, AAS, IC, etc.). Over 60 elements are specified and their content is below 1 ppb [parts per billion =10-9]. Bottled and delivered in special plastic bottles. The certificates of analysis are available online.

Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Guarantee analysis

TOC (Total Organic Carbon)≤20 ppb
Spec. electric resistance (at time of preparation)≥18 MΩ*cm
Colour (APHA)≤5
Evaporation residue≤0.0001 %
Fluorescence (as quinine)≤100 ppt
200 nm≤0.01
254 nm≤0.005
300 nm≤0.005
400 nm≤0.005
LC-gradient suitability testcomplies