A Practical Handbook of Seawater Analysis by J. D. H. Strickland PDF

By J. D. H. Strickland

310 pages. Hardcover with airborne dirt and dust jacket. Fisheries examine Board of Canada.

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Aged" bottles give less trouble but they are best coated with tin or plastic and samples must be withdrawn directly they reach the deck. E. SPECIAL REAGENTS 1. MANGANOUS SULPHATE REAGENT Dissolve 480 g of manganous sulphate tetrahyde, MnS04 · 4H20, or 400 g of manganous sulphate dihydrate, MnS04 2H20, or 365 g of manganous sulphate monohydrate, MnSO4 H20 in distilled water and make the volume to 1 liter. The salt must be of analytical reagent grade to ensure the absence of ferric iron. • • , 2, ALKALINE IODIDE SOLUTION Dissolve 500 g of sodium hydroxide in 500 ml of distilled water.

1. CALCULATION OF THE CARBONATE ALKALINITY Required: Total alkalinity, chlorinity or salinity, initial temperature, pH, and the temperature at which the pH was measured. a. Calculate the initial pH of the water from Table III. b. Look up the quantity A (milliequivalents per liter) in Table VIII. Carbonate alkalinity = total alkalinity - A (milliequivalents/liter) . 2 . CALCULATION oF ToTAL CARBON DIOXIDE CoNTENT ( ALL FoRMS) Required: Total alkalinity, chlorinity or salinity, initial temperature, pH, and the temperature at which the pH was measured.

G. surface samples), rinse the bottle twice and then allow the water to flow in by sub­ merging the bottle to the mouth and gently tipping it so that the sample enters with no bubbling a nd a minimum of turbulence. For work of the highest accuracy the sample should be siphoned into the bottle. Samples must be drawn into the BOD bottles immediately after they are taken and should be the first samples to be drawn from a reversing bottle. This is particu­ larly important when using Van Dorn bottles of large capacity and when analysing water from a depth where there is considerable undersaturation with respect to oxygen.

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A Practical Handbook of Seawater Analysis by J. D. H. Strickland


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