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Define about the Photometry - colorimetry?
Photometry is the measurement of the luminous intensity light or the amount of luminous light falling on a surface from such a source. The term photometric measurement was defined originally as the process used to measure light intensity independent of wavelength. Modern instruments, however, isolate a narrow wavelength range of the spectrum for measurements.
The instruments that use filters for this purpose are referred to as filter photometers, whereas, those that use prisms or gratings are called spectrophotometers. A simple spectrophotometer called a colorimeter is used to measure the amount of light a sample absorbs. The primary analytical utility of filter photometry or spectrophotometry is the isolation and use of discrete portions of the spectrum for purposes of measurement.
Signs and Symptoms Decreased urine output Bloody or brown colour urine Edema Malaise Mild headache Gastrointestinal disturbances
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1. Andalusian chickens may be either black, white, or gray. The gene for black is not dominant over the gene for white, nor is the gene for white dominant over the gene for black.
Psychotropic Drugs - Act on brain and effect its normal functioning slow down and interphere in the functioning of the nervous system. These drugs alter behaviour, consciosn
Define Unintentional Adulteration - Types of Adulteration? These are the contaminations occur unknowingly or incidently in the food during harvesting, handling, transportation,
Q. Illustrate about Components of an Angioplasty System? 1) Guiding catheter: The ideal guiding catheter must have a lumen diameter i.e. at least twice that of the diagnostic c
Phosphorus Phosphorus has been known as “master mineral” because it is involved in most metabolic processes. Phosphorus, which is stored in bones and teeth, is often discussed
Define the Protective of Vitamin C role as an antioxidant? Vitamin C is a powerful antioxidant because it can donate a hydrogen atom and form a relatively stable ascorbyl free
Motion Sickness The pathogenesis of motion sickness is poorly under- stood. The prescription cholinergic blocker scopolamine in a patch or oral formulation can decrease sympto
Why isn't the cooking of vitamin C-containing foods appropriate for vitamin C supply? To obtain vitamin C, for example, from an orange dessert, the vitamin-containing food cann
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