From Big Medical Encyclopedia

CHLORIC YZVEST (Calcium hy-pochlorosum; synonym: the bleaching of

a message, Calcaria chlorata, calcium hypochlorite, heat-resistant lime chloride) — a chemical desinfectant. Represents mix of Sa (OC1)2, Sas12, Sa (IT) 2 and crystal water. In stable X. and. approximately contains: Sas12-Sa (IT) 2-NOO — 50%;

Sa (OC1) 2-2 (IT) 2 — 30%1 CAC12 — 20%; moisture — no more than 2%. Depending on brand X. and. it contains 28; 32 or 35% of active chlorine. It represents powder of white color. At dissolution of X. and. in water calcium hypochlorite of Sa (OC1)2 is hydrolyzed with education hypochloric to - you, having strong oxidizing properties, and insoluble salts are in suspension or drop out in a deposit during the upholding.

X. and. has bactericidal, virulitsidny, fungicidal, spo-rotsidny and larvicide properties therefore it is used as disinfecting and insecticide, and also for decontamination and whitening (e.g., cellulose, fabrics). For disinfection

of X. and. apply in the form of the dry powder, chlorine-lime milk (a suspension in water) clarified not activated and the activated solutions (see Desinfectants). Dry X. and. disinfect allocations (a phlegm, urine, excrements, emetic masses), the soil. Chlorine-lime milk (10 — 20 — 40%) disinfect allocations, surfaces in non-residential premises by whitewashing, domestic bathrooms, commodity cars after transportation of animals. The clarified solutions (receive after 24-hour upholding of chlorine-lime milk) use for disinfecting of rooms, furnishings, ware, toys, harvest stock, water. At intestinal and droplet infections apply solutions X. and., the containing from 0,05 to 3% of active chlorine, at tuberculosis and a malignant anthrax — 5% of active chlorine. The solutions clarified 0,5 — 1% (on drug) activated by ammonia or ammonium salts disinfect objects at a viral hepatitis, enteroviral infections, 2% solutions — at tuberculosis and 4% — at a malignant anthrax. It is not recommended to use X. and. for disinfecting of linen and metal products (see Disinfection).

At hit of X. and. in a human body through respiratory tracts sneezing, cold, irritation in a throat, a headache, gripes in eyes, dacryagogue, feeling of compression, pain and constraint in a breast, suffocating cough, nausea, vomiting, the general weakness, sometimes reflex narrowing of a glottis appears. At hit in eyes there are dacryagogue, reddening of mucous membranes, gripes in eyes.

At penetration of X. and. in an organism through respiratory tracts it is necessary to remove the patient from the room, in Krom there was poisoning, to take off from it the clothes adsorbing chlorine and constraining breath, to allow to inhale the solution of sodium thiosulphate sprayed 2%, to drink milk with water, from medicinal substances — codeine, calming (Tinctura Valerianae, bromides), during the narrowing of a glottis — atropine in drops. In the absence of effect hospitalization and performing tracheotomy is shown (see). According to indications appoint inhalations of oxygen, intravenously — 10% solution of calcium chloride, subcutaneously — camphor, caffeine. At hit of X. and. in eyes it is necessary to wash out them water. At hit of X. and. in went. - kish. a path it is necessary to wash out a stomach warm water or 2% solution of sodium thiosulphate, and then water. Subcutaneously enter vomitives (Apomorphinum), inside — salt laxative,

solution of hydrosodium carbonate, milk is white kovy water (2 ovalbumins on a glass of water), 2%. The victim needs to create rest, to wrap up heat.

For the purpose of protection of a respiratory organs, eyes and skin from influence of X. and. it is necessary to work with it in a respirator (see Respirators), rubber gloves, safety spectacles (see) and an apron from proof fabric. To enter the room processed by X. and., it is possible in 30 — 45 min. after airing.

Bibliography: Vashkov V. I. Dezinfek

tion, disinsection, deratization, page 61, M., 1956; Right V. E. The table of antidotes and other cure of first aid for acute poisonings with the drugs used in medical disinfection, disinsection and in city deratization, page 15, M., 1964; Fuhrman A. A. The chlorine-containing oxidizing bleaching and disinfecting substances, page 7, M., 1976. N. F. Sokolova.