Poisoning limiting quantity

L/mole). It cross-reacts at >90% with saxitoxin but at <1% with neosaxitoxin. This antibody, when used in an anti-rabbit IgG "second antibody" radioimmunoassay format, can detect pmole quantities of saxitoxin. This assay has been shown to be a simple and efficient method for the analysis of saxitoxin in clam extracts. The lack of antibody cross-reactivity to the neosaxitoxin sub-group of the paralytic shellfish poisons limits the general utility of the assay to neurophysiology studies and to certain clam species which preferentially accumulate saxitoxin. However, the radioimmunoassay serves as a good precursor in the development of an enzyme immunoassay for the paralytic shellfish poisons. 

This is a safe, low cost, and more convenient approach as it does not involve special instrumentation, poisonous intermediates, and the growing rate can also be easily controlled. The utility of this process is underlined by the fact that even after continuous exposure to the toxic metal ions, the fungus readily grows and transforms the toxic conditions to nontoxic by reducing Cd to CdS without the use of any external source of sulfur. Another important, potential benefit of the process described is the fact that the semiconductor CdS nanoparticles, which are quite stable in solution, are synthesized extracellularly in large quantities. This is therefore, a very important advantage over other biosynthetic methods where the nanoparticles are entrapped within the cell matrix in limited quantity whereby an additional processing is required to release them from the matrix. 

Limited quantity, when specified as such in a section applicable to a particular material with the exception of Poison B materials, means the maximum amount of a hazardous material for which there is a specific labeling and packaging exception. 

Offering a limited quantity of a compressed gas in a metal container intended to expel a non-poisonous material, while failing to subject the filled container to a hot water bath, as required. 173.306(a)(3)(v) 5,000. 

Sulfur Poisoning. - Many conventional liquid hydrocarbon feeds contain large quantities of sulfur. For example, military diesel may contain as much as 3,000 ppm. Currently in the European Union the sulfur content in diesel is limited to 350 ppm, which was reduced to 50 ppm for both diesel and gasoline in 2005. Even with the pending limits on the sulfur content for U.S. fuels, deactivation by sulfur will be an ongoing concern. 

In this chapter we describe characteristic validation procedures of the Heavy Metals Limit Test in the Japanese Pharmacopoeia (JP) [1]. Although an equivalent test is commonly listed in both the United States Pharmacopoeia and the European Pharmacopoeia, there are differences in the color reagents and conditions of sample preparation of the JP procedure. Heavy metals are defined in the JP as poisonous metallic impurities such as Pb, Bi, Cu, Cd, Sn, and Hg that form colored colloidal precipitates with sodium sulfide TS in a slightly acidic solution of pH 3 to 4. The level is expressed as the equivalent quantity of lead. 

Poisoning hy Lead.—When compounds of load are token in sueh quantities as to be destructive to life, tho physical indications which are observed differ with the form of combination of the metallic oxide thus, for instance, the acetate of lead acts as an irritant, but tho carbonate—white lead—has no such sotion, or at beat only a very indecisive one tho same may he observed of the oxide and other compounds of lead, especially those of limited solubility. The general physiological effects already mentioned, are guides which do not fail to pant out the cause when death or violont attacks through the poisonous action of lead follows. 

Arsenious oxide, or white arsenic, is an extremely powerful poison, especially when in solution. It acts as a severe gastro-intestinal irritant. As little as 0T3 g. has proved fatal, but 0T9 g. is probably the least quantity likely to cause death. The limit of toxicity in aqueous solution is 0-2 mg. As203 per litre. 

In general, the quantity of sulfur increases as the density of the crude increases. Sulfur compounds poison the metallic catalysts used in the refining process. There are legal and contractual limits on the amount of sulfur contained in most products. Thus, the refiner must remove or destroy the sulfur compounds in the crude to reach an acceptable level. 

Electrolytic (coukxnetric) hygrometers The quantity of electricity required to carry out a chemical reaction is measured. The principle is based upon Faraday s law of electrolysis. Water is absorbed on to a thin film of dessicant (e.g. P2O5) and electrolysed. The current required for the electrolysis varies according to the amount of water vapour absorbed. The current depends also upon the flowrate. Capable of high precision. Used in the range 1000 to 3000 ppm of water by volume. Somewhat complicated procedure. Recombination of products to water is necessary after electrolysis. Density, pressure and flowrates have to be maintained precisely. Contamination can poison the cell. It is ideal for binary mixtures but is of limited range. Suitable for on-line operation. 

The concept of a poison contained within a bullet is not new and has been experimented with over a long period of time. As all poisons, in the quantities capable of being administered via a bullet, take some time to kill, the tactical use of such ammunition is of limited military or civilian use. However, it is an attractive concept for an assassin. If the bullet itself fails to kill, the backup system of the poison offers a twofold method of attack. 

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