... is . present’ .. ‘(This filtration step is unecessary if silica is = present as a trace « Te. Ke Le ... to fluorometer e" Note: Notes: Notes - 26 if silica is present as more than a trace , remove ...

... and 86) for poisonous properties of col- loidal silica. 2 Amer. Jour. Med. Sci., February, 1903. cxxv. ... Fluorin in organic matter, which does not contain silica, can be identified by adding a small amount ...

... 400 torr, the total power emitted, due to silica distilled from the walls in the 2000- to ... tion of the spectrum was described as being silica line spectra. A new mech- anism for lamp ...

... 130 0'12 0'24 0'22 Alumina .... Silica 0'08 0'26 0'40 1-00 ... 24 Sodium chloride .... 7'69 Strontia 0 32 Silica 2'10 Organic matter..... 2'26 1-90 ... 61-39 82-18 Calcium chloride . . . 4-06 Silica ...... 16 19 7'84 53-76 Sodium orthosilicate . . ...

... of inorganic matter be present. These inorganic constituents (silica, alumina, oxides of iron and calcium) are always ... phosphate and carbonate, aluminum and iron hydroxides, and silica (about 90 per cent.). Its decolorizing powers were ...

... in the early stages we took samplea for silica dust because, after all, that was a well ... by that one, so we took samples for silica dust. JOHN A. BRABEC & ASSOCIATES COURT REPORTERS PHOENIX, ...

... Dust studies 1. Concentration at various operations Ze Silica content 3. Particle size IV. Ve Be Ventilation ... eliminating dead ends. 2. One important source of silica dust in the haulageways is sand used to ...

... Where ma js HG 8 Problem: Air carrying silica dust particles is flowing through a l¢ duch ... the Bureau of Standards Colorimetric technique based — - upon silica gel impregnated with Palladiumesulfate and ammonium molybdate. ets ...

... will be glad to collaborate on the free silica analytical study which you have proposed. We do ... new method for the deter- mination of free silica which is to be submitted for publication soon, - ...

... Aranea relieved the pains, but the ulcer deepened. Silica and Calc, carb. aggravated. Because the patient was ... cerebrospinal irritation, and resem- ble the symptoms of Silica, Gelseminum, Calabar, Cannabis indica, and other irritants of ...