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Glass ionomer cement should not be mixed on a glass slab because the ions present in the cement can react with the glass slab, leading to contamination and affecting the setting reaction of the cement. This can compromise the physical properties and performance of the cement. It is recommended to use a disposable mixing pad or a mixing paper to prevent any unwanted reactions and ensure the proper setting of the glass ionomer cement.
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Why agate spatula is used for mixing glass ionomer cement?
Agate spatulas are used for mixing glass ionomer cement because they do not react with the cement ingredients, ensuring that the material remains uncontaminated. This helps to maintain the properties and performance of the cement. Agate spatulas are also non-reactive and do not scratch the glass slab used for mixing, preventing any impurities from entering the mix.
Why agate spatula is used in glass ionomer cements?
Agate spatulas are used with glass ionomer cements because their non-reactive surface prevents any interference with the setting reaction of the cement. This helps to preserve the properties of the cement and ensures an accurate mix. Agate spatulas also do not scratch or damage the glass slab used for mixing the cement.
What type of print uses a special ink to draw on a sensitized limestone slab which is then treated with nitric acid?
The type of print you are referring to is called a lithograph. The special ink that is used in lithography is oil-based and adheres to the greasy surface of the limestone slab. When the slab is treated with nitric acid, it chemically changes the surface of the non-image areas, allowing for the image to be printed onto paper.
Is an wedge shattering a slab of shale a physical or chemical change?
The wedge shattering the slab of shale is a physical change. This is because the shale undergoes a change in shape and size without any new substances being formed.
What color is soapstone?
Soapstone can come in a range of colors, including gray, green, blue, and brown. The color of soapstone varies depending on the mineral composition present in the specific slab.
Why agate spatula is used for mixing glass ionomer cement?
Agate spatulas are used for mixing glass ionomer cement because they do not react with the cement ingredients, ensuring that the material remains uncontaminated. This helps to maintain the properties and performance of the cement. Agate spatulas are also non-reactive and do not scratch the glass slab used for mixing, preventing any impurities from entering the mix.
Why agate spatula is used in glass ionomer cements?
Agate spatulas are used with glass ionomer cements because their non-reactive surface prevents any interference with the setting reaction of the cement. This helps to preserve the properties of the cement and ensures an accurate mix. Agate spatulas also do not scratch or damage the glass slab used for mixing the cement.
What do you need to mix glass ionomer cement?
The glass ionomer power, and water of cause and a spatula metal. Top tip is use a glass mixing slab gently warmed under hot water. Mad i know you would think it would set quicker but it doesn't. Oh and practice when the principle is out!Alternitevely buy the pre capulated stuff it never fails and if it does it isn't the nurses fault!
How do you pav over cement slab best way portland cement sand or motor and sand?
i am paving drive way with Boston city paves i want Portland cement type 11 mixed with sand and additive. thank you
How many yards of cement in a16x8 slab 4 thick?
A 16' x 8' by 4" slab requires 3.56 cubic yards of cement.
Why does not a glass slab disperse light?
The refractive index of prism is very high but its very low in glass slab, in glass slab the dispersion occurs but its very less, so is not visible.
How many yards of concrete in a 40x60x6in slab?
A 40x60x6in slab requires 44.44 cubic yards of cement.
How many yards of concrete in a 16x20x4 slab?
3.95 cubic yards of cement are needed for a slab that size.
How much cement do you need for a slab?
one yard of cement will make a 8 x 10 square foot slab at 4 inches thick, that's 80 sq. feet per yard of cement at 4 inches thick.
In which medium will a lens behave as a glass slab?
the medium which have the same refractive index as glass.
How many yards of cement do you need for a 20 x 35x 4 slab?
8.64 cubic yards of cement.
Kitchen floor feels hot to the touch house is on a cement slab?
Sounds like a broken line under the slab
