Anhydrous definition

Anhydrous means without water. Consequently, when anhydrous ammonia comes into contact with water, it rapidly combines with the moisture and forms ammonia hydroxide. When injected into the soil, the liquid ammonia expands into a gas and readily combines with soil moisture. Similarly, the liquid or gas that contacts body tissueespecially the eyes, skin, and respiratory tract—will remove the water and cause dehydration, cell destruction, and severe chemical burns. A concentration of anhydrous ammonia vapor of 134 parts per million (PPM) will cause most people to experience dryness and irritation of the nose, throat, and eyes. At 700 PPM, it can cause coughing and severe eye irritation, which may lead to partial or total loss of sight if untreated. A concentration of 1,700 PPM can cause serious lung damage and, if untreated, death. After a few seconds of exposure at 2,000 PPM, burns and blisters can result. At 5,000 PPM, death by suffocation can occur within minutes. (Source: “Using Agricultural Anhydrous Ammonia Safely”, Robert D. Grisso, David Morgan, and Rollin D. Schneider, University of Nebraska Cooperative Extension EC94- 738-B.)
Anhydrous means without water, where the ammonia is stored as a gas at high pressure, while “aqueous” means the ammonia is diluted to some degree with water, Typically, aqueous ammonia is specified at concentrations of 19.5%, 25%, or 29% pure ammonia in water
Anhydrous means that the compound no longer has water molecules associated with it.

Examples of Anhydrous in a sentence

  • Standard Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride.

  • Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride.

  • Conduct calcium chloride tests in accordance with the latest version of ASTM F 1869, Standard Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride.

  • Proceed with installation only after substrates have been tested and meet the minimum requirements from the manufacturer in accordance with ASTM F1869 Standard Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride or ASTM F2170 Standard Test Method for Determining Relative Humidity in Concrete Floor Slabs Using in situ Probes.

  • Towle and Gallup in combination with the manufacturer’s insert constituted “competent expert evidence” of the risks.The circuit court agreed with Defendants, and stated: [T]he issue essentially is there’s not a legally cognizable informed consent claim in this case.

  • The Licencee shall install a minimum 2.4 metre high fence surrounding the Anhydrous Ammonia Tank to discourage access to unauthorized persons.

  • EARNED ACTIVITY MILESTONE COMPLETION INCENTIVE FEES FacilityMilestoneDesignation Function Pending Activity MilestonesBOF-011GB47P1040Plant EquipReceive Anhydrous Ammonia System* *The final fee determination will be adjusted to reflect pending activity milestones noted above that are currently under evaluation; final payment will be subject to DOE approval.

  • Requisitioning Contractor ServicesWhen requisitioning contractor services to perform work on or near any Anhydrous Ammonia equipment including the SCR ammonia process, City of Lakeland employees shall choose only contractors who have been listed on the PSM – Approved Contractor’s List.

  • The bidder must be an Indigenous manufacturer of Anhydrous Ethanol such as Sugar Mills with Ethanol plants, Standalone distilleries producing Ethanol, complying with specifications as per IS 15464:2004.

  • Anhydrous ammonia equipment shall be installed and maintained in a safe operating condition and in conformity with rules adopted by the secretary.

Related to Anhydrous

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