WebNov 29, 2024 · Polymer-modified cement has found numerous applications due to its excellent tensile strength. When cement was modified with a single polymer, its tensile strength and performance marginally increased. However, when a small amount of the flexible polymer latex was added to cement, the mechanical performance of cement … WebThe protective powers of A, B, C and D are in the order: Q. Gold number of protective colloids A , B , C and D are 0.50 , 0.01 , 0.10 and 0.005 respectively. The correct order …
The gold numbers of protective colloids A, B, C, and D are 0.04, 0.002
WebMar 25, 2024 · Hint: Gold number is defined as the minimum mass of the colloid in milligram that is added to $ 10ml $ of red gold solution to protect it from the coagulation when $ 1ml $ of $ 10\% $ $ NaCl $ is added. Complete step by step solution: In the given it is given that $ 0.25g $ lyophilic colloid is added to $ 100ml $ gold solution to prevent … WebJan 17, 2024 · CH3NH3PbI3 perovskite photovoltaic devices inserted with a polysilane layer were fabricated and characterized. A Decaphenylcyclopentasilane (DPPS) in chlorobenzene solution was spin-coated between the perovskite layer and the hole transport layer of spiro-OMeTAD, and the resulting device was annealed at 190 °C. The DPPS-treated devices … simple modern summit insulated
Gold numbers of protective colloids A, B, C and D are …
WebJan 24, 2024 · Thus, it can be inferred that the lower the gold number of a protective colloid, the greater is its protective power and vice-versa. Gold number of some sols are given below as an example: Gold number of Gelatin is \(0.005 – 0.01.\) Gold number of Albumin is \(0.1 – 0.2.\) Gold number of Gum is \(0.15 – 0.25.\) The above data shows … WebSolution: To avoid the precipitation of lyophobic sol. by the addition of electrolyte, some lyophilic colloid is added to it. Such lyophilic colloid is called protective colloid and the action of lyophilic colloid by the electrolytes is known as protective anion. Gold Number Of a protective colloid is a minimum weight of it milligram which must ... simple modern summit bottle lids