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As a rule, liquid reagents do not consist of a single preparation but comprise several components that need to be added to the sample in a certain order.

As both the size and the number of drops have a decisive effect on the resultant colour complex, the reagents need to be added with a high degree of precision.

The shelf life of liquid reagents is reduced by temporary contact with oxygen in the air when the bottle is opened as well as by unsuitable storage environments (presence of sunlight or high temperatures).

Titre Pack contenant Code Marquez comme favoris
KS6622 Sodium Hydroxide N/25 25 ml 56L662298
5N Sodium Hydroxide 1L 1000 ml 56L661698
5N Sodium Hydroxide 65ml 65 ml 56L661665
KS420 Sodium Lauryl Sulphate 0.075M - 65 ml 65 ml 56L042065
0.02N Sodium Hydroxide - 250 ml 250 ml 56L662195
Vario Hydroxyde de sodium 1,00 N 100 ml 531520
Vario Hydroxyde de sodium 1,54 N 100 ml 531530