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...Usage procedure for chapin rd building c the avantik optik type pine brook nj h e staining t info us com family of stains is premier group reagents designed to produce precise consistent with crisp delineation following are guidelines that will have an effective window minutes developed as progressive intensity nuclear increase time increases hematoxylin and eosin expected throughput slides per ml bottle actual results may vary from lab depending on equipment used control carry over into each solution length left exposed recommended station xylene running ho wash minute ethanol seconds final step mount coverslip covermount clarifier ultraclear be in place times substitutes need bluing extended can a general rule we recommend changing once week if has not been reached clarifying solutions should changed more often...