1. A device for the selection, training and pre-analysis sample, which comprises a sampling rod (11) formed as a sample chamber (16) of the receiving structure to accommodate a predetermined amount of the sample, and places a sampling rod (11) receiving tube (1) which comprises a fluid-filled mixing chamber (19) for preserving, dissolving, preparation and processing are in a sampling chamber (16) samples said sampling rod (11) is designed as a two-sided open hollow body is movably and lotnenno directed therein pushing the plunger (18) for expelling the sample from the sample chamber (16) into the mixing chamber (19), characterized in that: a) inside the sampling rod (11) is provided promotional mixing element (20) which, when pushed by the sample pushing the plunger (18) moves into the mixing chamber (19) and which consists of a material with a specific gravity of at least 2 g / cc / or b) is present in the mixing chamber svobodnopodvizhny therein that promotes mixing element (21) which consists of a mother la with a specific gravity of at least 2 g / see 2. The apparatus according to claim. 1, characterized in that the promotional mixing element (20) is provided inside the sampling rod (11) .3. The apparatus according to claim. 1, characterized in that the promotional mixing element (21) located in the mixing kamere.4. The apparatus according to claim. 1, characterized in that the element (20, 21) consists of a metallic material with a smooth poverhnostyu.5. The apparatus of claim. 1, characterized in that the element (20, 21) has a helical shape or is formed like spirali.6. Apparatus according to one of claims. 1-3, wherein1. Устройство для отбора, подготовки и предварительного анализа пробы, которое содержит пробоотборную штангу (11) с выполненной в виде пробоотборной камеры (16) приемной структурой для размещения заданного количества пробы, и размещающую в себе пробоотборную штангу (11) приемную трубку (1), которая содержит заполненную жидкостью смесительную кам
