Методика определения угла сыпучести

Методика определения угла сыпучести гуаровой камеди.
1. Поместить стеклянную воронку в держатель на штативе. Воронка должна вмещать 150-250 г гуара, диаметр выходного отверстия воронки должен составлять от 0,5 до 1 см.
2. Расположить воронку так, чтобы расстояние от кончика воронки до поверхности стола составляло 5 см.
3. Поместить под воронкой лист бумаги.
4. Засыпать гуар в центр воронки с постоянной скоростью до тех пор, пока вершина образующегося конуса порошка гуара не коснется кончика воронки.
5. Другим листом бумаги закрыть кончик воронки, чтобы избежать высыпания остатков гуара из воронки. Осторожно убрать воронку.
6. Измерить угол сыпучести с помощью угломера или аналога, повторяя измерения через каждые 45-60°.
7. Нами в качестве аналога используются две линейки. С их помощью измеряется высота конуса h и радиусы основания конуса через каждые 45-60°. Затем вычисляется среднее значения радиуса основания конуса a. Отношение высоты конуса h к радиусу основания конуса a равно тангенсу угла сыпучести гуараtgα (tgα=h|a).Используя функцию обратную тангенсу, которая называется арктангенс, мы получаем численное значение угла сыпучести в градусах. Все вычисления могут быть выполнены с помощью стандартного калькулятора Windows с применением опции вида «инженерный».
8. Вязкость раствора гуара с концентрацией 3 г/л измеряют через 3, 15 и 30 мин после начала процесса растворения гуара в воде. Вязкость измеряют при скорости вращения 300 RPM, что соответствует скорости сдвига 511 с-1. Измерения проводим на вискозиметре OFITE model 900 используя стандартную конфигурацию измерительной

Результаты (английский) 1:

Method for determination of flowability guar gums.
1. Place the glass funnel into the holder on the tripod. The funnel should be 150-250 g of Guara, the outlet funnels must be from 0.5 to 1 cm.
2. Place the funnel so that the distance from the tip of the funnel to the surface of the table was 5 cm.
3. Placed under the funnel, a sheet of paper.
4. Fill the funnel with the guar steady speed until While the top formed a cone just touches the tip of the Guara powder funnel.
5. Another sheet of paper to close the tip of the funnel to avoid precipitation of Guara from the funnel. Carefully remove the funnel.
6. Measure the angle the flow using the Protractor or analogue measurement, repeating every 45-60°.
7. We use two as an analogue line. They measured the height of the Cone (h) and the radius of the cone every 45-60°. Then calculate the average value of the radius of the Cone (a). Ratio of the Cone (h) to the radius of the cone a is equal to the angle tangent, anti-guaratgα (tgα = h | a). using the inverse tangent, inverse tangent, which is called the We get the numerical value of the angle, in degrees, of the flow. All calculations can be done using the standard Windows calculator with scientific mode options ".
8. Viscosity solution guaro with 3 g/l concentration is measured through 3, 15 and 30 min after the start of the process of the dissolution of Guara in the water. Viscosity is measured at a speed of 300 RPM, which corresponds to shear-511 c-1. Measurements are for the model 900 OFITE viscometer at using the standard configuration of the measuring

Результаты (английский) 2:

Methods of determining the angle of the flowability of guar gum.
1. Put a glass funnel in the holder on a tripod. The funnel should contain 150-250 g guar funnel outlet diameter should be 0.5 to 1 cm
2. Locate the funnel so that the distance from the tip of the funnel to the surface of the table was 5 cm
3. Put a sheet of paper funnel.
4. Absorb in guar center funnel at a constant rate as long as the vertex of the cone formed guar powder touches the tip of the funnel.
5. Another sheet of paper to close the tip of the funnel to avoid rash guar residue from the funnel. Carefully remove the funnel.
6. Measure the angle flowability using a protractor or equivalent by repeating the measurement every 45-60 °.
7. We used as an analogue of two lines. With their help, measured cone height h and radius of the cone base every 45-60 °. Then calculate the average value of the radius of the cone base a. The ratio of height h to the radius of the cone base of the cone is equal to the tangent of the angle of a flowability guaratgα (tgα = h | a). Using the inverse tangent function, which is called the arctangent, we obtain the numerical value of the angle in degrees flowability. All calculations can be performed using the standard Windows calculator with option type "reverse engineering".
8. The viscosity of the guar solution with a concentration of 3 g / l measured at 3, 15 and 30 min after the start of the dissolution process of guar in water. Viscosity is measured at a rotation speed of 300 RPM, which corresponds to a shear rate of 511 s-1. Measurements performed on viscometer OFITE model 900 using the standard configuration of the measuring

Результаты (английский) 3:

The procedure for determining the angle traced сыпучести marketplace.
1. Place a glass funnel in the holder on a tripod. Hopper must accommodate 150-250g Guara, diameter output funnel openings should be 0,5 to 1 cm.
2.Place a funnel so that the distance from the tip funnel to the tabletop was 5 cm.
3. Placed under a funnel a sheet of paper.
4. Pour guar in the center of the funnel with a constant speed until theAs long as the tip cone carbon powder Guara touches the tip funnel.
5. Another with a sheet of paper to close the tip of the funnel, in order to avoid papillar Guara residue from the funnel. Carefully remove funnel.
6.Measure the angle with a protractor сыпучести or equivalent, by repeating measurements every 45-60 ° .
7. We have, as a counterpart uses two ruler.With their help it is measured height cone h and base radius cone through every 45-60 °. And then calculates the average radius values base cone as well.The cone height h to base radius cone angle as well as тангенсу сыпучести гуараtgα (tgα=h|a) .Using the function return тангенсу, which is called arc-tangent,We have a numerical value сыпучести angle in degrees. All of the calculations can be performed using the standard Windows Calculator with the use of option type "Engineering" .
8.The viscosity solution Guara with concentration 3 g/l measured after 3, 15, and 30 min after the start of the Guara dissolve in the water. The viscosity is measured at a rotation speed 300 rpm, that corresponds to the speed shift 511 c-1.Measurements are the вискозиметре flushing model 900 using the standard configuration measuring