2151 Roche Foam
2151 Roche foam meter(ROSS-Miles method),which is a solution for measuring soap,synthetic washing powder,laundry soap powder,shampoo,shampoo,shampoo,detergent(meal wash),hand soap and other detergents.The instrument of foam activity value.The solution descends from a certain vertical position,foam activity occurs in the small center of the scale tube,the height is measured,and the foam activity value is measured.It conforms to GB/T7162-94;ISO696-75 national standard,Ministry of Standards Prescribed technical requirements.
Drip volume:250 ml
Drip tube length:300mm
Graduated tube inner diameter:¢50mm
Scale tube length:1100mm
Use of Ross-Miles Foam Tester:2151 Roche Foam System Solution Drop Method for Determination of Soap,Synthetic Washing Powder,Laundry Soap,Shampoo,Shampoo,Shampoo,Detergent(Dishwashing)The instrument for the foam activity value of detergents such as hand sanitizer.The solution descends from a certain vertical position,foam activity occurs in the small center of the scale tube,the height is measured,and the foam activity value is measured.
(1)Turn on the thermostat.When the thermostat reaches a certain temperature,the temperature of the tube jacket water bath is stabilized at 40°C±0.5°C.
(2)Rinse the inner wall of the graduated tube with distilled water.The flushing must be complete.Then rinse the wall with the test solution and it must be completely flushed.
(3)Close the scale tube piston and inject 50 ml of the test solution into the 50 ml mark with another drop tube.The test solution is preheated to 40°C.
(4)The dropping tube was filled with 200 ml of the test solution,and the test solution was preheated to 40°C.
(5)Place the drip tube on the prepared pipe rack and the cross section of the scale tube is vertical,so that the solution flows to the center of the scale tube,and the outlet of the drip tube should be placed on the 900 mm mark line.
(6)Open the piston of the drip tube and let the solution flow down.When the solution in the drip tube is finished,the stopwatch is started immediately,the height of the foam is measured,and then the height is recorded after 5 minutes,10 minutes,and 15 minutes,and the foam value is expressed by the height of the foam.
(7)Repeat the above test two or three times.The wall influence data must be cleaned before each test.
☆☆Ross-Miles foam measuring instrument Note:
(1)Installation This instrument must be all vertical,otherwise the liquid level may not be read correctly.
(2)The test solution should be preheated to about 41.5°C before being placed in the drip tube.The temperature at the time of formal operation after injection is 40°C±0.5.Otherwise,the temperature is high and low,which has a great influence on the data.
(3)The foam activity of some solutions is very unstable.After a few minutes,the surface of the foam ruptures and becomes a rugged surface.At this time,the height reading can only take the estimated average number.
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