...Then give sulphide of mercury, 3 grains,two or three times on alternate nights... 
Harrison Weir 「Our Cats and All About Them」
...Silver sulphide is a most permanent substance...
John A. Tennant 「Bromide Printing and Enlarging」
...Both of these are converted into silver sulphide when treated with a solution of sodium sulphide...
John A. Tennant 「Bromide Printing and Enlarging」
...The material for the toning or darkening of the bleached print is the chemical substance, sodium sulphide, of the formula Na2S·9H2O...
John A. Tennant 「Bromide Printing and Enlarging」
...For this reason, it is best to make up the sulphide into solution of 20 per cent strength, and add this to water to make the toning bath...
John A. Tennant 「Bromide Printing and Enlarging」
...That of the purest sulphide may be kept and used again, though it is not really good policy to do so...
John A. Tennant 「Bromide Printing and Enlarging」
...The supply of sulphide should therefore be dissolved as soon as purchased, as follows: Stock sulphide solution—20 per cent; sodium sulphite 4 ounces; water to make 20 ounces...
John A. Tennant 「Bromide Printing and Enlarging」
...To the colour of oxide of zinc, sulphurettedhydrogen is altogether harmless; sulphide of zinc being itself white...
George Field 「Field's Chromatography」
...Under this name a lemon sulphide of cadmium has lately appeared, towhich the foregoing remarks are applicable...
George Field 「Field's Chromatography」
...By keeping the ochre sufficiently long in contactwith sulphide of ammonium a jet black is obtainable, but a rub of it ina moist unwashed state completely regains its yellow hue in a day or so...
George Field 「Field's Chromatography」
...The former gas may be continuously passed into the coloursuspended in water, or a strong solution of the latter sulphide bepoured upon it, and the yellow remains unchanged...
George Field 「Field's Chromatography」
...The new metal indium, for instance,furnishes a bright yellow sulphide, like that of cadmium...
George Field 「Field's Chromatography」
...Called also Mineral Yellow, has improperly been classed as anorpiment, from which it differs in not being a sulphide, and incontaining lead...
George Field 「Field's Chromatography」
...They are not absolutely insolublein water, and the sulphide of thallium being brown, would probably bedamaged by impure air...
George Field 「Field's Chromatography」
...Like lead sulphide, the sulphide of thallium rangesfrom brown to brownish-black, or grey-black; and, like it too, issubject to oxidation and consequent conversion into colourless sulphate...
George Field 「Field's Chromatography」
...Crookes, who discovered this new metal in 1861, believes that thedeep orange shade observable in some specimens of sulphide of cadmium isdue to the presence of thallium...
George Field 「Field's Chromatography」
...He has frequently found it, he says, inthe dark-coloured varieties, and considers the variations of colour incadmium sulphide to be owing to traces of thallium...
George Field 「Field's Chromatography」
...The tint of cadmium sulphide is a mere matter ofmanufacture, seeing that from the same sample of metal there can beobtained lemon-yellow, pale yellow, deep yellow, orange-yellow, andorange-red...
George Field 「Field's Chromatography」
...An artificial sulphide can be prepared by dry andwet processes, which is subject to gradual oxidation on exposure to theair, and consequent conversion into grey or white...
George Field 「Field's Chromatography」
..."Calcium sulphide, possibly; I sawthem spreading it above ground in the sun...
Various 「Astounding Stories of Super-Science, June, 1930」
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