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Dołączył: 29 Paź 2010
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 Wysłany: Nie 12:19, 30 Sty 2011 Temat postu: supra for sale U.S. drinking water softening, UV d |
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U.S. drinking water softening,[link widoczny dla zalogowanych], UV disinfection,[link widoczny dla zalogowanych], reverse osmosis and distillation equipment standards
Water: no cl: deionized water,[link widoczny dla zalogowanych], turbidity <1.0NTU, pH7.5 ± 0.5, water temperature (25 ± 1) ℃, electrical conductivity ≤] ~ S / cm} added sodium chloride to 1000 = t = 50rag / L. When the lower TDS water test, water was monitored to automatically record the water temperature and conductivity. B test compounds reducing the water: has the following characteristics of water chlorination, TDS200 ~ 500mg / L, pH7.5 ± 0.5, turbidity <1. ONTU, water temperature (25 ± 1) ℃} sodium carbonate or hydrochloric acid added when necessary, adjust the pH, such as interference with (eg, flocculation of iron) should be pretreated. Collected by the testing laboratory each quarter once the test water, monitor the following key parameters: pH, alkalinity, chloride, sulfate, nitrate, TDS, total phosphate, calcium, magnesium, sodium, turbidity, total organic carbon, The total residual chlorine and polyphosphate. * 112 * International Journal of Health Toxicology Appendix C reduced function of microbial testing methods - the 9372 American Type Culture Collection having left a number of water thrown Bacillus subtilis, pH7.5 ± 0.5, turbidity <1.0NTU, water temperature (25 ± 1) ℃, TDS200 ~ 500mg / L, dubbed per ml 1 × 10 'Bacillus subtilis test water. Appendix D Products Water validation testing. Appendix E features indicating test methods. Appendix FTDS reduced as a substitute for the evaluation of inorganic (not NSF62 part of the information only for rejection.) (Continued from page 96) 4 Conclusion In summary, the new biotechnology food safety issues wait, FAO / WHO jack will be the European branch of the International Life Sciences, the leading group of new food safety evaluation of proposed principles and methods, consistent that in most cases, the new biotechnology food and traditional technology to produce no essential difference between the food, but the traditional principles and methods of evaluation of new biotech foods and ingredients is not reasonable to evaluate the safety, should be based on each specific product of the actual situation. It is embedded in comparison with the similar principle of traditional food, molecular biology, based on chemical analysis combined with its intake, the role of diet and consumption in the object is of special groups (pregnant women and children) of the cases put forward the evaluation of different security requirements . Europe's leading group of new food SAFEST evaluation procedures such foods provide the nutritional and toxicological evaluation of a method and principles. According to the program, compared with the traditional food will be divided into three main categories of food: SAFESTI food, and traditional food is very similar, do not have to further prove its safety. SAFEST2 food, and traditional foods are similar enough, but only a difference in some areas, mainly to evaluate their differences. 1,2 classes do not belong to the food before the need for extensive evaluation of nutrition and toxicology. Should follow the principle of scientific testing, comprehensive documentation, chemical analysis, in vivo tests, if necessary, dump volunteers were studied to determine its safety and nutritional value. By the consumers on the market has been recognized and applied in a planned food market monitoring. To ensure the health of consumers, countries should follow the FAo / WHO to develop the type of food safety assessment policy and principle, to accelerate the development of such food regulations, strengthen management and supervision of such foods, and to supervise and manage the Adaptation and keep up with the development of biotechnology. FAO and WHO experts recommended that governments should coordinate the gradual establishment of a scientific, systematic, recognized for all type of food safety evaluation framework, so that the type of food management and supervision of rhyme international. Meanwhile, with the development of science and technology security principles and methods of evaluation should be ongoing discussion and revision.
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