Chapter 2The documents and related research.From project studies the properties of fabric screen printing ink from blue guava extract studies were made to consult the documentation related to the project. The following are as follows:1. Roselle2. distilled water3. urea4. sodium bicarbonate5. l-NET6. cotton cloth.7. measuring instruments to absorb light (UV-VIS Spectrophotometer)8. measuring the viscosity (Brookfiled)1. Roselle (Roselle) Figure 1 Roselle1.1 scientific layer breakdownThe Kingdom: plants (Plantae) Category: Magnoliophyta Class: Magnoliopsida Rank: Malvales Family: Malvaceae Last name: Hibiscus Species: H. sabdariffa Hibiscus sabdariffa binomial name: L.A small Grove of trees is approximately 3 – 6 elbow stems and twigs are red-purple leaves have several together. There are some flat leaf and curly textures of curly red 3 is a pink colored sunset cocktail surrounded by exotic khemmakkwa met outside petals. When the petals ruangroi petals rongdok petals and to feed, they will grow up. A purple seed coat removed red within a seed planted by breeds should be planted in the rainy season to loosen the soil before planting, digging a hole to plant a hole 2-3 seeds, enough to light the sprout comes out, and then uninstall the onaekwa to remove the strong watering. Fertilizer application to loosen soil. Get rid of all the weeds are the parts used by drug and food are the petals and lobes of the rongdok. Best with red pigment in the Nin Sayyaf twice (anthocyanin), soluble in water.1.2 critical nutrients in RoselleThe substance was found at the sanklum crysanthemin name 3-O flavonoid, sambubioside, delphinidin, myricetin – hibiscitrin, gossypitrin, Phenylpropanoid acid ortho-coumaric name group, para-coumaric acid, ferulic acid is found that hibiscus extract has antioxidant vitamin c (antioxidant) and liver cancer cells and anti-bacterial prostate cancer. There are driving through the urine. Reduce blood pressure Reduce blood fat and blood sugar can kill bacteria, especially fossil fuels, plus GSM (Gram positive bacteria) are oral disinfection effect and reduces fever.2. distilled water Figure 2 distilled water Is pure water because of evaporation process is caused by water and condensing out. Water, distilled from the cleaner without dirt is visible and has a neutral pH value, or with a very soft acid has a low electrical conductivity, which is the appropriate way of pure water. Almost all the dirt will be eliminated in refining the process is refined, it will boil water until evaporation occurs as water vapour and condenses into water droplets of water element-free private DI (Deionized water) may also contain contamination, but distilled water is very pure, because almost all the dirt has been eliminated in refining, which distilled water production process is relatively slow. To get a true pure distilled water.Distilled water is used in a wide variety of tasks, such as industrial. Laboratory work to clear Testing An Exchange io Moon laser cut car batteries, etc. Distilled water is mainly used in the laboratory. Used in experiments that require pure water and is also used in the manufacturing process of the industry want to have impurities or contaminants, minimal. Without water, ion water (DI water) is that there are inexpensive. Apply for a job in the laboratory and industrial jobs. DI water which are used to replenish the batteries in the automotive industry, the elements of the various elements that are found in water, the age range may cause DI. Use of the car battery had decreased, and those high-priced water animals often use the distilled water that does not contain an element that to reduce the risk to compromise the fish feed. In addition, you can also use distilled water instead of tap water in a steam iron, because water will cause the accumulation of various elements ranging from water and prevents the steam spout. Distilled water should be stored at normal room temperature between 20-30 degrees Celsius. Keep away from sunlight and moisture should be stored in sealed containers. Avoid heat and cool too. When enabled, distilled water Distilled water will begin to accept that and various impurities in the atmosphere, which affects the electrical conductivity, especially. To get kat car Bon dioxide from the atmosphere, so it's a good idea to keep the distilled water in the container sealed as possible.One of the factors which indicate the purity of the water is that the adopted electrical power at low speeds, which will represent the various impurities in the water can be a little quantity of nami io. Therefore, this value is used in the estimation of quantities of impurities in the water at a glance. At present, there is a measure of electrical conductors that are easy to use and convenient. 3. urea (Urea) Figure 3 ureaPhysical and chemical properties.General chemical name: CarbamideOther things the name: acid diamine Carbonyl Carbamimidic;; Ureophil; Ureaphil; Aquadrate; Isourea; Aquacare HP/Urecare; Urederm;;; Nutriplus.Molecular formula: Structural formula: Status: solid powderColor: white Smell: ammonia dilution Molecular weight: 60.16 Melting point/freezing point (° c): 132-135. Specific gravity (water = 1): 1.335 The acid-alkaline (pH): 5.6-7.5 at 25° c.Conversion factor: 1 ppm = 1 cubic meters or 2.46 Ku ku//cubic meter = 25 ppm at 0.406 angot Celsius.Other chemical and physical information: this substance can dissolve in ethanol and methanol.Stability and reactivity (Stability and Reaction)-Chemical stability: this substance is stabilized.-The substance is incompatible: oxidized compounds.-Hazardous chemical that caused degradation: carbon Monte outside the website. Carbon dioxide, nitrogen oxide and ammonia. -Danger of polymer reaction: does not occur.Harmful to health (Health Effect)Touch to breathe-the breath will cause respiratory irritation is harmful to the body.Touching on the skin-to skin contact is cause irritation.Eat or swallow to swallow food or to cause nausea and vomiting is harmful to the body.Experience was eye-touching was the eyes causing irritation.Keep/move/location/transport (Storage and Handling)-Keep in a cool and dry area.-Store in the area has adequate ventilation.-Keep away from incompatible substances Sparks and flames.-Store the substance under temperature 3 degrees pixel pixel's atmospheric pressure.Environmental impact (Environmental Impacts) -Do not drop into the water and waste water systems or the soil.-This substance can cause a stroke.
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