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										The additional negative ions test tube reactions for nitrate(III), nitrate(V), sulfate(IV), phosphate and carboxylates (methanoate and ethanoate).
									
									
										words matched: sulfate, test
									
									
								 
								
									
								
							
								
									 
									
									 
									
										
										Brief risk assessment guidance and experimental notes for a range of activities involving barium nitrate(V) and barium peroxide (Hazcard 11).
									
									
										words matched: sulfate, test
									
									
								 
								
									
								
							
								
									 
									
									 
									
										
										This document explains how to carry out a circus of qualitative food tests for:carbohydratesstarch – iodine testreducing sugars - Benedict’s testnon-reducing sugars – hydrolysis then Benedict’s test p.. 
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										words matched: sulfate, test
									
									
								 
								
									
								
							
								
									 
									
									 
									
										
										Editorial - safety who's responsibility is it?, website news, primary liaison/transition ideas, CE markings and what they really mean, top ten issues found when auditing Science and D&T, Petrifilm fro.. 
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										words matched: sulfate, test
									
									
								 
								
									
								
							
								
									 
									
									 
									
										
										This edition includes notes on the transit of Venus June 2004, unblocking lab gas taps, the introduction of the DSEAR (Dangerous Substances and Explosive Atmospheres) Regulations, and two incidents in.. 
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										words matched: sulfate, test
									
									
								 
								
									
								
							
								
									 
									
									 
									
										
										Brief risk assessment guidance and experimental notes for a range of activities involving ammonium salts (Hazcards 9A and 9B).
									
									
										words matched: sulfate, test
									
									
								 
								
									
								
							
								
									 
									
									 
									
										
										The common negative ions, carbonate (CO32-),
sulfate(VI) (SO42-) and the halides (Cl–, Br–
and I–) can be simply tested for in test tube reactions. The method
described here uses a more dilute ammo.. 
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										words matched: sulfate, test
									
									
								 
								
									
								
							
								
									 
									
									 
									
										
										Common anions are tested on a plastic covered worksheet, for quick easy disposal. Using solutions with minimum concentrations allows closer observations and initiates talking points. Students can phot.. 
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										words matched: sulfate, test
									
									
								 
								
									
								
							
								
									 
									
									 
									
										
										Testing for common gases is included in most chemistry courses. In this procedure students make their own sample of hydrogen gas to test.
									
									
										words matched: sulfate, test
									
									
								 
								
									
								
							
								
									 
									
									 
									
										
										Safety precautions for practical food testing activities for carbohydrates, lipids and proteins.
									
									
										words matched: sulfate, test
									
									
								 
								
									
								
							
						
							
	Showing results 1 to 10 of 668