In addition, there will be a trial about the di acid-base is a k value check as acid-base pH value of solution acid-base using the di applications and study found that the di a wide variety of applications that can use the demand, but the applications that choose to use the jukebox that often.Note that the litmus results are cheap and easy, where there are two colors are Navy Blue, or blue and red or pink, but is unable to verify whether the solution acid-base pH value. Can tell that it is an acid or a base from which to grab data from a study of trade. Litmus can be made of natural extracts, but it will have a limited color range. Those who make it to the guidelines will be developed from natural extracts, litmus can effectively check the pH of the aqueous solution of acid-base, with multiple values to a wide choice of the di k by wild flowering plant, in the area of Amphoe SI Nakhon. 5 types of Sukhothai province: flower red needle Tanaka Marigold flower flower purple bougainvillea and phaengphuai due to research. It was found that these plants can be used to extract a auth adapter Wi-di k is the acid-base, because it is the substance that is called the Sayyaf Nin twice (anthocyanins), as a pigment, or color additives (pigment), red, violet and blue. Used as a natural sweetener The new nasamarot Sayyaf twice melt well in unstable water decomposed easily with oxygen, light, heat, when the structure changed, the color will change. Factors that influence the color of the Nin Sayyaf twice is a acid alkaline pH is acid it is when there is a red. When the pH increased, blue flower, red needle Tanaka phaengphuai purple flowers and bougainvillea can verify as acid-base. Marigold flower section there called carote noi (carotenoid) is the pigment (pigment), yellow, Orange, red, and orange-red. Common in plants, which is the acid and base are one of the factors that makes the colors of the noi carote all 5 types of plants can be changed, check the pH range, but when the interval to change the color of each type of plant will be able to analyze the color transition from pH 1-14 by flower color in the Red needle ช่ว.Ngakha pH = 6-8 flowers change colors in the range pH anchan = 1-4 flower Marigold color range pH = 9-10 phaengphuai purple color in the range pH = 1-2 flowers and bougainvillea to change colors in the range pH = 1-2, 12-14 and all the plants, this type of plant is grown 5 simple pet easy. There are a lot of ability to withstand the dry flower rapidly throughout the year, and also has beautiful colors, which makes the study of this type of plant, both by milling with water in quarter 5. When the combination of extracts according to the proportion set by 5 for each time the composite performance tests with aqueous solution of acid haidonkhlorik acid and aqueous solution is found at the base sodium hydroxide, or caustic soda is to be found to have a pH value ranging from 1 to 14, and to observe the color of the switch to extract each pH value upon the proportion of the best efficiency and gather, analyze, make the color bar for the pH calibration pH value to say that makes the extract.
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