Chlorobenzenes Solution (Mono through Hexa) in Methanol, Various Concentrations

PRODUCT No.： REVOC0185

MATRIX： Methanol

PREPARATION OF STANDARD：

All standard components have been pre-qualified/verified before use. All preparation has been performed in a cleanroom environment under strictly monitored and controlled conditions. All analytical measuring devices and instrumentation have been pre-calibrated. The actual concentrations reported below are based on this preparation methodology and compound impurities.

The expanded uncertainty (k=2) due to weighing, volumetric preparation and homogeneity is calculated in compliance with EURACHEM/CITAC Guide： Quantifying Uncertainty in Analytical Measurements as± 2.5%.

Please store this product in a freezer (-15ºC). To open product, invert at least 10 times (do not shake) and sonicate if solid material is apparent. Break the ampoule open at the lower neck mark (caution： sharp glass) and transfer to vial. Allow to return to room temperature before use. Store after opening in a freezer. Invert, sonicate and allow vial to return to room temperature before each subsequent use. Use only Class A volumetric glassware for dilutions and ensuring thorough mixing. Date： 18th April 2018 This certificate must not be reproduced except in full.

注：以上信息仅供参考，以产品附带证书为准。