| naphta | 
										
										  | 
																											 
																													
									                                    																																						
																																									| naphtalene | 
										
										  | 
																											 
																													
									                                    																																						
																																									| naphthylamine | 
										
										  | 
																											 
																													
									                                    																																						
																																									| napthoic acid | 
										
										  | 
																											 
																													
									                                    																																						
																																									| napthols | 
										
										  | 
																											 
																													
									                                    																																						
																																									| natural gas | 
										
										  | 
																											 
																													
									                                    																																						
																																									| nickel salts, see salts | 
										
										  | 
																											 
																													
									                                    																																						
																																									| nitric acid, <65%, boiling | 
										
										  | 
																											 
																													
									                                    																																						
																																																																| nitric acid, >65% 1 | 
										
										  | 
																											 
																													
									                                    																																						
																																									| nitroaniline | 
										
										  | 
																											 
																													
									                                    																																						
																																									| nitroanthraquinone | 
										
										  | 
																											 
																													
									                                    																																						
																																									| nitrobenzene | 
										
										  | 
																											 
																													
									                                    																																						
																																									| nitrochlorobenzene | 
										
										  | 
																											 
																													
									                                    																																						
																																									| nitrocresols | 
										
										  | 
																											 
																													
									                                    																																						
																																									| nitrogen | 
										
										  | 
																											 
																													
									                                    																																						
																																									| nitromethane | 
										
										  | 
																											 
																													
									                                    																																						
																																									| nitrophenols | 
										
										  | 
																											 
																													
									                                    																																						
																																									| nitropropanes | 
										
										  | 
																											 
																													
									                                    																																						
																																																																| nitrous gases, humid 1 | 
										
										  | 
																											 
																													
									                                    																																						
																																									| nitrous gases,dry | 
										
										  | 
																											 
																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																												 
                                        								
									
						
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                                1 In cases of insufficient resistance, gaskets can be fitted with an inner eyelet of resistant metal for satisfactory results. Details on request.
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