Abstract: The present invention relates to an aqueous direct dye formulation, comprising (a) 5 to 25% by weight of a dye composition comprising (a1) 50-99% by weight of one or more dyes obtainable by reduction or thermal treatment of Direct Yellow 11, and (a2) 1-50% by weight of a blue, black and/or red direct dye, (all based on the dye composition); (b) up to 0.9% by weight of a saturated, cyclic or acyclic water-soluble amine comprising a primary, secondary or tertiary amino group and at least one further functional group selected from primary, secondary and tertiary amino groups, OH groups and ether groups; and (c) up to 0.9% by weight of urea; and (d) water, wherein the percentages for (a), (b), and (c) relate to the total weight of the aqueous direct dye formulation. The invention moreover relates to a process for their preparation and the use thereof for the dyeing, in particular of paper, as well as paper which has been dyed with this aqueous direct dye formulation.

Abstract: The present invention relates to an aqueous direct dye formulation, comprising (a) 5 to 25% by weight of a dye composition comprising (a1) 50-99% by weight of one or more dyes obtainable by reduction or thermal treatment of Direct Yellow 11, and (a2) 1-50% by weight of a blue, black and/or red direct dye, (all based on the dye composition); (b) up to 0.9% by weight of a saturated, cyclic or acyclic water-soluble amine comprising a primary, secondary or tertiary amino group and at least one further functional group selected from primary, secondary and tertiary amino groups, OH groups and ether groups; and (c) up to 0.9% by weight of urea; and (d) water, wherein the percentages for (a), (b), and (c) relate to the total weight of the aqueous direct dye formulation. The invention moreover relates to a process for their preparation and the use thereof for the dyeing, in particular of paper, as well as paper which has been dyed with this aqueous direct dye formulation.

Abstract: The present invention provides an electrode arrangement for the electrochemical analysis of components of a liquid, having a base body (7; 53; 85; 103; 139; 155; 175; 193), made of an insulating material with at least one measurement electrode (21; 57; 89; 111; 143; 157; 195) held on the base body, adapted to be brought into phase boundary contact with the liquid to be analysed, said measurement electrode being selective for a predetermined kind of ion in the liquid, and with at least one reference electrode (19; 55; 87; 109; 141; 153; 173; 197; 199) held on the base body and adapted to be brought into phase boundary contact, together with the measurement electrode, with the liquid, wherein the base body carries a removable closure part (45; 61; 91; 107; 137; 163; 187; 203) which, together with the base body, forms a closed hollow chamber (11; 52; 86; 104; 135; 159; 177; 201), the closed hollow chamber containing a standard electrolyte, especially one containing the predetermined kind of ion, defining, with t

Abstract: The present invention provides a device for the electrochemical analysis of electrolytic components in a sample liquid (58), especially of a body fluid, with a selective measurement electrode (20) for a kind of ion to be analysed, a reference half cell, which includes a conducting-off element (30) cooperating in the operational state with a reference electrolyte (56), and a voltage measurement device (34) for the measurement of the voltage between the measurement electrode and the conducting-off element (30), wherein the measurement electrode (20) is arranged on a pipe (22) provided with a sucking-in opening (23) for the sample liquid (58), the conducting-off element (30) of the reference half cell being arranged on the pipe (22) in such a manner that it directly contacts a liquid (56) present therein, the conducting-off element (30) thereby being arranged in the pipe (22) in the sucking-in direction behind the measurement electrode (20), a sucking-in device (36) being provided through which a sample liquid (

Abstract: A solid, semi-hard magnetic alloy adapted to be sealable in glass in the system cobalt-(nickel, aluminum, titanium) - iron. The alloy is intermediately annealed, cold worked by at least 70%, and subjected to a final annealing. The alloy can be sealed in glass and displays magnetic and physical property characteristics making it suitable for the fabrication of storage apparatus and switching elements.

Abstract: A solid semi-hard magnetic alloy adapted to be sealable in glass in the system cobalt (nickel, titanium, Me) iron wherein Me is at least one metal of the group aluminum, copper, tungsten, molybdenum, vanadium, and chromium. The alloy is intermediately annealed, cold worked by at least 75%, and subjected to a final annealing. The alloy can be sealed in glass and displays magnetic and physical property characteristics making it suitable for the fabrication of storage apparatus and switching elements.