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A vacuum desiccator (left - note the stopcock which allows a vacuum to be applied), and a desiccator (right). The blue silica gel in the space below the platform is used as the desiccant . Desiccators are sealable enclosures containing desiccants used for preserving moisture -sensitive items such as cobalt chloride paper for another use.
A ventilated balance enclosure. Vented balance safety enclosures are used in pharmaceutical, chemical, biological, and toxicological laboratories to provide maximum containment for weighing operations in weighing scales.
A vacuum desiccator (left) and desiccator (right). Silica gel with cobalt chloride indicator placed in the lower shelf is used as the desiccant.. A desiccator is a heavy glass or plastic container, now somewhat antiquated, used in practical chemistry for drying or keeping small amounts of materials very dry.
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Canisters are commonly filled with silica gel and other molecular sieves as desiccants in drug containers to keep contents dry Silica gel in a sachet or porous packet. A desiccant is a hygroscopic substance that is used to induce or sustain a state of dryness (desiccation) in its vicinity; it is the opposite of a humectant.
A Birtcher Corporation "Hyfrecator" manufactured in March 1982. Attached is a power cord (right) and foot on/off switch (left). Held in the hand to show scale is a "hand-piece" detachable sharp-pointed unipolar application electrode.
A round dull instrument of varying sizes (1 mm to 6 mm) is used to scrape off the cancer down to the dermis.[2] [3] [4] The scraping is then paused while an electrosurgical device like a hyfrecator is used next.
The series' title, Terra Ignota, is an alternate form of the archaic topographical term terra incognita (Latin for "unknown land"), once used to denote regions that had not been mapped or documented. Ada Palmer repurposes the term as a new type of international law pleading that is entered by a character during a criminal trial in The Will to ...