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Recently, in order to save production costs, the manufacturers of oil refining oil from the plant as a vegetable butter lamp, which is the practice of confusing the audience. Peanut out of peanut oil, soybeans out of soybean oil, castor oil castor oil that is all. The word butter refers specifically to the proceeds derived from the cream, has a far-reaching historical significance, and the plant can only be refined vegetable oil. The price is very different. This hope can cause consumers, especially the believers of the importance of identification.
System color flame candle coloring agent solution: the lithium chloride 12 grams, 0.1 grams of polyethylene glycol glycol dissolved in 87 grams of water to get hair color agent.
0.1 g of chloroplatinic acid was dissolved in 200 ml of water, 5 g of alumina powder was added to the solution and stirred, 0.2 g of hydrazine was added, 0.1 g of sodium hydroxide was stirred, and then 2 liters of water was added to the solution overnight, The precipitated alumina powder was separated from water to obtain a platinum catalyst powder.
Hair color wick preparation method: After twisting three sturdy No. 20 cotton yarns, they were immersed in the above coloring liquid, and then dried at 120 degrees Celsius. This operation was repeated 3 times. After the deposition of 2 g / m of the color-developing agent, the solution was immersed in a treatment solution having a concentration of 7% (made of a copolymer of vinyl acetate and ethylene in a molecular ratio of 25:75 mol) dissolved in trichlorethylene, Air drying, the system was hair color candle wick.
Burning candle wick preparation method: twisted with No. 20 cotton 3 # 8 needle size, soaked in 1 gram of platinum catalyst powder dissolved in 5 liters of water prepared by the solution, after drying derived.