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Glassine envelopes carry pharmacy reformulated drugs and illicit drugs such as cocaine and heroin. [3] [4] Photographers used glassine sleeves for many decades to safely store their processed films. Glassine is also used to pack firecrackers, as it is moisture resistant. It is used for its transparent qualities to fold origami tessellations.
Drug precursors, also referred to as precursor chemicals or simply precursors, are substances used to manufacture illicit drugs. Most precursors also have legitimate commercial uses and are legally used in a wide variety of industrial processes and consumer products, such as medicines, flavourings, and fragrances.
Pharmaceutical manufacturing is the process of industrial-scale synthesis of pharmaceutical drugs as part of the pharmaceutical industry. The process of drug manufacturing can be broken down into a series of unit operations, such as milling, granulation, coating, tablet pressing, and others.
In this case, rather than as an adulteration, the lacing is intended to make the product more desirable. Sometimes less potent, often less expensive drugs, are laced with a small amount of a more potent, often more expensive drug. This may be used to facilitate the ingestion of drugs or to allow the simultaneous ingestion of multiple drugs.
Formulated drugs are stored in container closure systems for extended periods of time. These include blisters, bottles, vials, ampules, syringes, and cartridges. The containers can be made from a variety of materials including glass, plastic, and metal. The drug may be stored as a solid, liquid, or gas.
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Pictured here are baking soda, a commonly used base in making crack, a metal spoon, a tealight, and a cigarette lighter. The spoon is held over the heat source to "cook" the cocaine into crack. Sodium bicarbonate (NaHCO 3, common baking soda) is a base used in the preparation of crack, although other weak bases may substitute for it. [7] [8]
Wax with colorful pigments added has been used as a medium in encaustic painting, and is used today in the manufacture of crayons, china markers and colored pencils. Carbon paper , used for making duplicate typewritten documents was coated with carbon black suspended in wax, typically montan wax , but has largely been superseded by photocopiers ...