...alkaline, it may be neutralized with nitric acid. CRADUATED BOTTLE u X 3! § . , as MS UJ i-3 z X '.J Should it happen that the color does not change within...four times this reading, or 800 grains. The chlorine slionld be kept down to the least possible amount — say below 50 grains per gallon — as the nearer...

...three parts of distilled water to one part of the sample. If then, on testing the mixture, the colour changes at 200, the number of grains per gallon in...or 800 grains. The chlorine should be kept down to tJte least possible amount — say, below 100 grains per (jallon —as the nearer the boiler water...

...moment it turns red and remains red, stop adding the silver. The reading on the graduated bottle at the The principle of the process depends upon the fact...reading, or 800 grains. The chlorine should be kept doum to the least possible amount- — say below 50 grains per gallon — as the nearer the boiler...

..."Should it happen that the color does not change within the limits of the graduations, the sample may by tested by diluting with distilled water. For example,...original sample will be four times this reading, or 8OO grains." Use of Zincs. A time-honored method of neutralizing corrosive tendencies in boilers is...

...limits of the graduations, the sample may by tested by diluting with distilled water. For example, odd three parts of distilled water to one part of the...sample will be four times this reading, or 800 grains." Use of Zincs. A time-honored method of neutralizing corrosive tendencies in boilers is to suspend zinc...

...parts of distilled water to one part of the sample. If then, on testing the mixture, the color changes 200, the number of grains per gallon in the original...800 grains. The chlorine should be kept down to the possible amount — say below 50 grains per gallon — as, the nearer the boiler water is to fresh...