Due to low sensitivity and low specificity, the application of simple photometry is restricted to relatively pure and large amount of substance [ 15, 16, 18].
Furthermore, it is difficult to know whether the clinical differences impact a greater propensity to using self-poisoning as the method of attempt, greater access to large amounts of substances, higher lethality as a result of underlying medical vulnerability, or whether clinical aspects of the diagnosis were a key aspect of the suicide death.
Leachate dams store very toxic liquids, leachate, that contain a large amount of pollutant substances.
Several explosions and other events led to the scattering of a large amount of radioactive substances into the air, water, and soil [ 1].
However, some inferior decoration materials may inevitably release a large amount of hazardous substances, such as organic solvents, volatile organic compounds (VOCs), formaldehyde and heavy metals [ 8, 9].
When the extracted DNA solution contained a large amount of humic substances, they were removed by repeating column purification step according to the protocol by the manufacture.
It is well known that the glandular trichomes are isolated biosynthetically and structurally and for this reason it is probable that they produce large amount of phytotoxic substances that internal leaf tissues could not synthesize (Werker 2000).
For detailed studies on specific proteins it is necessary to have access to a large amount of pure substance.
Large amount of organic and inorganic substances presented in higher concentration of sugar mill effluent which adversely affected the seed germination because of the higher salt content which caused change of osmotic pressure outside of the seed.
The plant also contains a large amount of enzymes, anti-inflammatory substances, hormones, beta carotene, vitamin B6, vitamin C (four times more than citrus), and vitamin U, and contains trace minerals such as calcium, magnesium, iron, zinc, phosphorous and potassium and so on [5].
