Sodium silicate

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  • The Results Of Air Permeability, Total Water Absorption, And Mortars

    Conclusions This study reports the partial replacement of MK by non-calcined WTS in the production of geopolymer with sodium silicate from RHA. The results showed that the properties of geopolymers binders are highly dependent on the WTS content in the mixture. The binder with WTS increased the setting times, kinetics of temperature test showed low rates of geopolymerization reactions. The workability and the mechanical properties of the geopolymer mortars decreased as the WTS content in the binder increased. The compressive strengths in all curing ages were higher than the minimum required for several types of building components. All of the mortars increased the mechanical properties with time, indicative of continuous reactions. The mortars with geopolymer binders with WTS showed larger voids and lower capillary suction when compared to reference mortars. The findings of this experimental work show that it is technically feasible to make geopolymer with partial replacement of MK by WTS. RHA can be added to supply SiO2 to keep the molar ratios constant. It is possible to have good environmental benefits and to make an eco-friendly material using WTS and a sodium silicate solution from RHA.…

    Words: 759 - Pages: 4
  • Lab Report: Redox Chemical Reactions

    soup” green when it was fully reacted with the two reactants. Part III started with reaction eleven that created bubbles, smoke, and it was fizzing while turning completely white when it reacted. The solid, when dissolved, also created an evolution of foaming gas. The physical observations of reaction twelve where it started to bubbled like a soda, started to fizz and the solution was clear. Then, in reaction thirteen, it turned into a white and foamy substance that kind of looked like milk and…

    Words: 1737 - Pages: 7
  • Calorimetric Determination Of Enthalpy Of Sodium Sulfate

    The Calorimetric Determination of Enthalpy and Entropy Changes of the Thermal Decomposition of Sodium Sulphate Decahydrate Abstract Sodium sulphate decahydrate thermally decomposes to anhydrous sodium sulphate at 50⁰ C and cools to form anhydrous sodium sulphate. Using Hess's Law the enthalpy and entropy changes of this process can be determined in order to deduce the spontaneity of the reaction. The transition temperature was determined by melting the hydrated crystals at 50⁰ C and allowing…

    Words: 1185 - Pages: 5
  • Ammonium Perchlorate Lab Report

    allowed both size and composition analysis. The system for the introduction of particles was made in a way to produce particles with the same charge. The skimmers were used to separate particles based on their velocity. The system was very complex because each of the parts worked at different pressure. In order to determine the velocity of particles, they were irradiated by two lasers on their way, and the velocity was calculated from the known distance and determined time. The size of particles…

    Words: 1761 - Pages: 8
  • Effects Of Sodium Polyacrylate

    Sodium polyacrylate is a polymer with a unique structure, that chemists are leveraging in a variety of lucrative industrial applications. Sodium polyacrylate possesses a unique chemical property: the ability to absorb incredible amounts of water. It can absorb 300 to 800 times its weight in water (Superabsorbent Polymers). Industrial chemists have taken advantage of the polymer’s special function, and have incorporated it into dozens of different products. In fact, the industry behind…

    Words: 826 - Pages: 4
  • Liquid Evaporation Experiment

    Research Question: How do different concentrations of nitric acid (measured in molars) with copper powder (grams) affect the rate of reaction (measured in seconds) measured using a stopwatch? Hypothesis: The copper powder placed in the most concentrated amount of nitric acid, measured in molar, will take the least amount of time, measured in seconds, to react compared to the amounts of copper powder in other less concentrated amounts of nitric acid. This is as if the concentration of nitric acid…

    Words: 1715 - Pages: 7
  • Sonogashira Synthesis

    Since suitable crystals for X-ray single crystal analysis was not obtained, to have reliable structural information, HR-TEM analysis of the product was carried out. The average size of the assembly calculated from HR-TEM measurement is found to be 2.8 nm which is in good agreement with the size of the previously reported Pd6L8 assembly where L is the non N-methylated (2.5nm, Fig. 2).9 As first step, to explore the catalytic activity of 1 in copper and phosphine free Sonogashira coupling reaction…

    Words: 881 - Pages: 4
  • Creatinine Clearance Experiment

    that demonstrated how renal system responses and reacts when subjects consuming different types of fluids. Respective fluid volumes are based on each subject’s body mass. Based on each subject’s body mass, after converted from pounds to kilograms, every subjects has different volume and fluids for ingestion. For the control subject, she ingested no fluid throughout entire lab which represented the conditions of normal fluid. For the hypotonic subjects, she ingested 854mL of water within 10…

    Words: 1811 - Pages: 8
  • Calcification Lab

    “With increasing degree of calcification, the concentration of NaOH increases. The relationship between the concentration of NaOH and the factors in the calcified red mud liquor is given by three Equations (16–18): N_NaOH=1.29(N_1 m_1-N_2 (m_2-N_NaOH/1.29) (16) m2 = m1+m1N3 (17) r = 1000/m2 …

    Words: 1607 - Pages: 7
  • Physical And Chemical Change Lab

    liquid form. This is a physical change because its actual material that it consisted didn’t change, meaning, it’s still sugar, but in liquid form. Mixing solid copper sulphate with water is a physical change because a new substance was never formed and the copper sulphate is still copper sulphate, but in a different state. Plus the fact that the final product turned into a mixture (solution), which is another sign of a physical change. The changes I examined that were chemical in my experiment…

    Words: 1587 - Pages: 7
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