Two. Foods insoluble. Such as starchy foods 1 may use ammonia or acetic acid 1 put into food to

Nowadays, it is noticeable that. Food manufacturers suppliers Popular color in more food than ever before. cleaners london Snacks cleaners london for Kids Thailand desserts And even miscellaneous Which people consume on a regular basis now. Was even more color to the garden, but also the some food coloring too well.
What food manufacturers use food coloring it. Most of the synthetic cleaners london organic pigments. These colors do not have health benefits, moreover, has been tried in different countries found that organic dyes that are toxic to the body. And colors that can cause cancer.
For the safety of citizens and consumers. cleaners london Which may not always know that. In their food consumption that is laced food coloring. And a color that is associated with health hazards. Ministry of Public Health has announced the Ministerial Regulation No. 13 regarding the use of preservatives, food colors, food quality control, given the use of preservatives and colors used Labelling of food laced this announcement. Issued on 19 January cleaners london 2509.
To explore the validity of using food coloring the food distribution. cleaners london Including the distribution of food coloring. It follows that Regulation No. 13, or the analysis of food and drink food samples analyzed had color added. And suspected to be contaminated with paint. Somewhat different Same type but different locations together. The analysis of the Month November 2514 to February, 2515, has compiled a detailed analysis of the sample and the results analyzed as follows.
Two. Foods insoluble. Such as starchy foods 1 may use ammonia or acetic acid 1 put into food to make colored dissolved out in water. If there are four types of acid Color will melt out in liquid cleaners london ammonia. If the color type alkaline Paint will melt away in a mild acetic acid. Water color is stored.
Three., In case of separation, according to the above method does not work. Alcohol use 50 warm water or an acetone 80 heat or cool it. Extracting cleaners london colors from food Liquid extracts are dirt attached. Filter out the water Bring the pot to evaporate the water coolant. Keep dry paint to use.
The colors are kept separate to continue. If the paint is dry Add water to slightly The addition of acid or alkaline based on the type of paint, as already mentioned. Put a clean white wool, which has been prepared for dyeing in water color. I set it on a pot of hot water. The color matching yarn runs out or nearly out. Pour the remaining water away Wool Wash thoroughly with water several times to squeeze the yarn to dry in a clean bowl. Fill ammonia diluted slightly. If that color dyes in water color acid. I set it on a pot of hot water. Paint will melt off the lye. Evaporated until nearly dry paint. And stored for further analysis.
Marwat is number 1 cut the paper to size, wide and long enough to bowl. A glass tube with a small hole dripping paint onto a prepared line. Drawn parallel to one side of the paper. The edges, about 1 cm to about 1 cm away from the paint drops paint drops on almost dry. Drop down again, repeat Do this several times until it was dark enough. When the paint is dry Colored paper soaked in a glass bowl prepared. The paper ends with a dip into the liquid, about 5 mm end of the thousand paper with a glass rod. Leaning on the railing, which put them in a jar before. Cover bowl tightly Left to soak up liquid on the paper and the colors are separated by a layer of color on color is separated clearly. Colored paper out of a glass jar. Dry stored for use the next time.
Check if the color is the same color. Might check it against the next. SR. F..'s Color detector. SR. F..'s Standard colors that are suspected to be the same color as the check. To do this, check the water color paint drip onto the same sheet of paper and then immersed in liquid. See if the color is higher in the liquid. In the same way? If the same color SR. F..'s Colors are the same.
Two. Was examined by Paper chromatography. Then be confirmed again by the chemical method. cleaners london The water color is stored separate into 3 parts lead evaporated to dryness on a hot water boiler casting. Apply color to dry to check the method in Table 4 * When any color in them now. Section 2 is made slightly acidic with dilute cleaners london acetic acid. The wool is prepared for dyeing. Dyeing and color matching yarn this time. Wash the stained wool with distilled water several times and dried. Then the next test Using each of the following chemical is hydrochloric acid, sulfuric acid, sodium oxide dross Hunt on 10 and ammonia. Drops on each yarn in the holes and white tiles. Yarn color change compared to Table 5 * or compared with standard yarn dyed it easier to check the color part 3 * The following Table 6.
Three. Methods using This method Spectrophotometer Unicam SP.500 Spectrophotometer. Prepare a solution of hydrochloric acid 0.1 color check in Normandy in sodium oxide dross 0.1 hub on the Normandy, and in a neutral solution of ammonium acetate 0.02 . Then measure the opacity of a color such that the waves were when they Absorption curve of each color. Comparing cleaners london the total opacity of the color compared to the color standard. This method can be used to control how chemistry is the same.
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