Neutral Density Filter 1-Q-20 (Usually equipped with a Methanizer)

(Usually equipped with a Methanizer)

Matrix Modifiers for Furnace work and Spectrographic Buffers for Flame procedures are prepared as concentrates to minimize sample dilution and provide a low Blank level when added to calibration standards

EPA Method - 243_2 - Manganese AA Furnace Technique

The second portion is then screwed in to form the seal

Neutral Density Filter 1-Q-20 (Usually equipped with a Methanizer)The neutral density filter is used to perform absorbance accuracy test of spectrophotometers. The filter is made to measure 0. 50 absorbancy and is designed to fit into a standard slide plate holder. Part Number: BS 186 0450