Term
| Name the three classes of materials that are determined by the alkalinity test. |
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Definition
- Bicarbonates
- Carbonates
- Hydroxide
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Term
| Name 4 reasons for analyzing alkalinity in water or wastewater. |
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Definition
- Lime-soda ash softening
- Effects on coagulant dosing
- Total dissolved solids compliance
- Industrial wastes discharge or calcium carbonate stability
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Term
| What is the indicator used in the alkalinity test for measuring carbonates or hydroxide? |
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Definition
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Term
| What is the pH endpoint for the indicator phenolphthalein? |
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Definition
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Term
| What is the pH endpoint for measuring total alkalinity? |
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Definition
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Term
| What is the name of the indicator used for measuring total alkalinity? |
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Definition
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Term
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Definition
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Term
| The analytical balance measures masses within ____ mg. |
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Definition
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Term
| What is the purpose of the control bar on the analytical balance? |
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Definition
| To tare the weight on the pan back to zero |
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Term
| If a water sample has 175 mg/L of alkalinity as CaCo3 , then how much alkalinity would it have to have as HCO3-? |
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Definition
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Term
| If a water sample has 175 mg/L of alkalinity as CaCO3, then how much alkalinity would it have as NaHCO3? |
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Definition
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Term
| After adding an indicator to the solution in the alkalinity test, what is the color of the solution if carbonates or hydroxide is present? |
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Definition
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Term
| What is the color of the endpoint after titrating for carbonates or hydroxide in the alkalinity test? |
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Definition
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Term
| What is the endpoint color for the total alkalinity test? |
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Definition
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