Distilled water

Plant Material Collection Fully grown whole plants of Tribulus terrestris Linn. were collected from different localities of Chennai, Tamilnadu. The fruits were separated out from the plants and washed in running tap water to remove adhering dirt and soil particles and dried first under shade in room temperature and secondly in a hot-air oven for complete drying at 50-60˚C. The dried fruits were made into coarse powder by grinding and stored in labelled bottles for further study and…

equations of calculating the mass of calcium carbonate and magnesium chloride needed to produce one gram of calcium chloride. The required masses were carefully measured on a scale, and then added to a beaker containing 30 mL of distilled water. When an aqueous solution was made, the solution was poured through a funnel in order to separate the precipitate and the liquid. A possible error that could have transpired during this step is that some of the precipitate may have bypassed…

Safety goggles Retort stand and ring clamp Procedure: Wear your lab coat / apron and your safety goggles. Prepare 100ml of water into a beaker then cover it with an aluminum sheet. Poke a hole through the aluminum with the skewer and place your thermometer in (make sure the hole isn’t too big or you’ll let some of the steam escape. Record the initial temperature of the water. Prepare your retort stand with your ceramic container at the base of the stand. Position…

catalase will stop functioning at a smaller concentration rather than a larger one and level out at a lower rate. -By having differently soaked paper tabs, the reactions with the amounts of hydrogen peroxide will be either longer or shorter and more water could be displaced to the time of reaction. By having distinct amounts of solution for the paper tabs, then there could a closer range of results rather than dispersed ones. -These weaknesses differentiated the results due to enzymatic…

for a little bit more and still not seeing any solids being produced, the solution was dumped in organic waste. 1.5 mL of distilled water was added to the 25-mL flask with diethyl ether inside of it. The bottom layer was pipetted out of the flask and transferred to an empty flask. 450 mg of anhydrous granular sodium sulfate were added to the wet ether to absorb any water in it. Then the ether was again transferred to a large test tube. Another 1.5 mL of diethyl ether were added to the flask…

From the data given in Table 1, there are a total of four mixtures present in the whole activity. This is because the main mixture which is the salt, sand, chalk, and water mixture can’t be separated using only one separation technique; it should be separated by parts. First, a filter paper was used to separate the salt and water from the chalk and sand. is the filtration process, a separation technique using a filter paper to separate solid particles in a liquid. Second, acid dissolution, using…

with stirring. The blends were mixed thoroughly using magnetic stirrer and to it add dropwise double distilled water with continuous stirring around 10 min. compositions of ARP microemulsion shows in Table 1. 4. Preparation of Arp Solution The ARP solution (AS) meant for comparative evaluation of ME-based systems was prepared by dissolving ARP (150 mg) in a mixture of 8 mL polyethylene glycol, 1 mL water and 1mL ethanol (95%, vol/vol) resulting in a solution of…

Introduction:The objective throughout the semipermeable membrane experiment was to test the permeability of the caterpillar's intestine. Through this experiment one would be able to observe a transverse of small molecules through the cell membrane. Question: Were starch and Lugol’s molecules able to cross the membrane? Hypothesis: If there is a presence of glucose among the fluids in between the intestine and circulatory system then there is to be a breakdown of starch molecules within the…

The lab instructions provided five components of cinnamon oil, of which one is the major component of clove oil. Of these five chemicals, only one, eugenol, has a phenol functional group. Because the IR spectrum of the distilled clove essential oil had a weak, broad peak around 3200 to 3500 cm-1, which corresponds to the hydroxyl/phenol functional group, there is evidence that eugenol is the major component of clove oil. Furthermore, since the IR spectra for the other four given chemicals would…

longifolia) seeds? Background Germination in seeds is when the seed coat breaks revealing the embryo or sprout of the plant (Biology Online). For a seed to properly germinate it must have water, oxygen, and the correct temperature (BBC). Each type of seed has a specific range of conditions like temperature, amount of water and light that will allow them to germinate (BBC). To germinate Romaine (Lactuca sativa L. var. longifolia) seeds, the temperature of the seeds cannot reach above 30 °C…