STH acetone for hromatogr. (3 ml)
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Description
STH acetone for hromatogr. (3 ml)
Pure substances for a chromatography are intended for the qualitative hromatografichesky analysis, and also for graduation of chromatographs in case of lack of the corresponding GSO, or a non - obligation of their use. In these purposes can be used as in pure form, and as a part of independently prepared calibration mixes. Samples are delivered in glass ampoules 3 ml.
Expiration date of copies — 1 year.
- Index of refraction (20 °C, 589 nanometers) — 1,3988 - 1,3992
- Appearance — colourless transparent liquid
- Mass fraction of the main substance, % , not less — 99,85
- Mass fraction of water, % , no more — 0,05
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STH acetone for hromatogr. (3 ml)