Products related to PH:
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Waterproof Ph Meter Phep4
Water resistant, accurate and portable, this handy little pocket meter is a go anywhere pH tester, with a replaceable electrode. Also designed to float if accidentally dropped into water. Dual LCD showing pH and temperature readings simultaneously.
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Dr. Ph. Martin's Dr Ph. Martins Hydrus Ink 15ml Sepia
Dr Ph. Martins Hydrus Ink 15ml SepiaHydrus watercolours are made from the finest lightfast, transparent, brilliant and permanent artist pigments. These liquid watercolours are highly concentrated and when used straight from the bottle yield the most vivid colours available to the watercolourist. Add water to achieve the richness of tone you desire and white for pastel and opaque shades Use with pen, technical pen or airbrush.
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Dr. Ph. Martin's Dr Ph. Martins Hydrus Ink 15ml Ultramarine
Dr Ph. Martins Hydrus Ink 15ml UltramarineHydrus watercolours are made from the finest lightfast, transparent, brilliant and permanent artist pigments. These liquid watercolours are highly concentrated and when used straight from the bottle yield the most vivid colours available to the watercolourist. Add water to achieve the richness of tone you desire and white for pastel and opaque shades Use with pen, technical pen or airbrush.
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Dr. Ph. Martin's Dr Ph. Martins Hydrus Ink 15ml Gamboge
Dr Ph. Martins Hydrus Ink 15ml GambogeHydrus watercolours are made from the finest lightfast, transparent, brilliant and permanent artist pigments. These liquid watercolours are highly concentrated and when used straight from the bottle yield the most vivid colours available to the watercolourist. Add water to achieve the richness of tone you desire and white for pastel and opaque shades Use with pen, technical pen or airbrush.
Price: 6.17 £ | Shipping*: £
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What is the pH value of salt solutions?
The pH value of salt solutions depends on the specific salt being dissolved. Some salts, such as sodium chloride (table salt), do not significantly affect the pH of a solution and have a neutral pH of around 7. However, other salts, such as sodium hydroxide or sodium bicarbonate, can significantly alter the pH of a solution. For example, sodium hydroxide can increase the pH, making the solution more basic, while sodium bicarbonate can act as a buffer and help maintain a relatively constant pH.
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What pH indicators are there with different solutions?
There are several pH indicators that can be used with different solutions. Some common pH indicators include phenolphthalein, which turns pink in basic solutions and is colorless in acidic solutions; bromothymol blue, which turns blue in basic solutions and yellow in acidic solutions; and litmus paper, which turns red in acidic solutions and blue in basic solutions. These indicators can be used to determine the pH of a solution by observing the color change.
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What tools, materials, and equipment do teachers work with?
Teachers work with a variety of tools, materials, and equipment in their daily work. Some common tools include whiteboards, markers, and projectors for delivering lessons. Materials such as textbooks, worksheets, and manipulatives are used to support student learning. Equipment like computers, printers, and audio-visual devices are also essential for creating engaging lessons and activities. Overall, teachers rely on a combination of traditional and modern tools to effectively educate their students.
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How do you calculate the pH value of solutions?
The pH value of a solution is calculated using the formula pH = -log[H+], where [H+] represents the concentration of hydrogen ions in the solution. To calculate the pH, you first need to measure the concentration of hydrogen ions in the solution using a pH meter or indicators. Then, you take the negative logarithm of the hydrogen ion concentration to obtain the pH value. A pH value below 7 indicates acidity, while a pH value above 7 indicates alkalinity.
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Dr. Ph. Martin's Dr Ph. Martins Hydrus Ink 15ml Burnt Sienna
Dr Ph. Martins Hydrus Ink 15ml Burnt SiennaHydrus watercolours are made from the finest lightfast, transparent, brilliant and permanent artist pigments. These liquid watercolours are highly concentrated and when used straight from the bottle yield the most vivid colours available to the watercolourist. Add water to achieve the richness of tone you desire and white for pastel and opaque shades Use with pen, technical pen or airbrush.
Price: 6.17 £ | Shipping*: £ -
Dr. Ph. Martin's Dr Ph. Martins Hydrus Ink 15ml Alizarin Crimson
Dr Ph. Martins Hydrus Ink 15ml Alizarin CrimsonHydrus watercolours are made from the finest lightfast, transparent, brilliant and permanent artist pigments. These liquid watercolours are highly concentrated and when used straight from the bottle yield the most vivid colours available to the watercolourist. Add water to achieve the richness of tone you desire and white for pastel and opaque shades Use with pen, technical pen or airbrush.
Price: 6.17 £ | Shipping*: £ -
Dr. Ph. Martin's Dr Ph. Martins Hydrus Ink 15ml Indian Red
Dr Ph. Martins Hydrus Ink 15ml Indian RedHydrus watercolours are made from the finest lightfast, transparent, brilliant and permanent artist pigments. These liquid watercolours are highly concentrated and when used straight from the bottle yield the most vivid colours available to the watercolourist. Add water to achieve the richness of tone you desire and white for pastel and opaque shades Use with pen, technical pen or airbrush.
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Dr. Ph. Martin's Dr Ph. Martins Hydrus Ink 15ml Quinacridone Magenta
Dr Ph. Martins Hydrus Ink 15ml Quinacridone MagentaHydrus watercolours are made from the finest lightfast, transparent, brilliant and permanent artist pigments. These liquid watercolours are highly concentrated and when used straight from the bottle yield the most vivid colours available to the watercolourist. Add water to achieve the richness of tone you desire and white for pastel and opaque shades Use with pen, technical pen or airbrush.
Price: 6.17 £ | Shipping*: £
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With which work tools, materials, and equipment do teachers work?
Teachers work with a variety of tools, materials, and equipment in their daily tasks. Some common tools include computers, projectors, whiteboards, and pens. Materials can range from textbooks and worksheets to art supplies and science equipment. Additionally, teachers may use equipment such as printers, laminators, and document cameras to enhance their teaching methods and create engaging learning experiences for students.
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How do I calculate the pH value of these solutions?
To calculate the pH value of a solution, you can use the formula pH = -log[H+], where [H+] represents the concentration of hydrogen ions in the solution. If you know the concentration of hydrogen ions, you can plug that value into the formula to find the pH. Alternatively, if you know the concentration of hydroxide ions ([OH-]), you can use the formula pH = 14 - pOH, where pOH = -log[OH-], to calculate the pH. Remember that pH values range from 0 to 14, with values below 7 indicating acidity, 7 being neutral, and values above 7 indicating alkalinity.
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How do I calculate the pH value of the following aqueous solutions?
To calculate the pH value of an aqueous solution, you can use the formula pH = -log[H+], where [H+] is the concentration of hydrogen ions in the solution. If you know the concentration of a strong acid or base in the solution, you can use that to calculate the pH directly. If you have a weak acid or base, you will need to use the equilibrium constant (Ka or Kb) to calculate the concentration of hydrogen ions and then find the pH using the formula. Additionally, if the solution contains a salt, you will need to consider the hydrolysis of the salt to calculate the pH.
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How is the neutralization of pH 8 with pH 1 achieved?
Neutralization of pH 8 with pH 1 is achieved by adding a strong acid, such as hydrochloric acid (pH 1), to the solution with pH 8. The strong acid will react with the base present in the pH 8 solution, resulting in the formation of water and a salt. The amount of acid added must be carefully controlled to reach a pH close to 7, which is considered neutral. The process continues until the desired pH is achieved, indicating that the solution is now neutralized.
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