Microcystin LR standard sample in methanol

fromZhongyuan Standard Material Center（Henan Detong Environmental Protection Technology Co., LtdprovidedBWN5782-2016Microcystin LR standard sample in methanol，The details are as follows:

1. Sample preparation:

This standard substance is prepared using high-purity microcystin LR (CAS: 101043-37-2) with a purity determined value as the solute and chromatographically pure methanol as the solvent in a clean laboratory at room temperature (20 ± 3) ℃ using the weight volume method.

2. Traceability and valuation methods:

This standard substance is prepared using the weight volume method as the concentration standard value, and the quantity value is verified using high-performance liquid chromatography (UV detector). By using preparation, measurement methods, and measuring instruments that meet the requirements of metrological characteristics, the traceability of the quality values of standard materials is ensured.

3. Characteristic values and extended uncertainty:

4. Storage and use:
Store under freezing (-18 ℃) and dark conditions. Before use, it should be equilibrated at room temperature (20 ± 3) ℃ and shaken thoroughly to ensure uniformity. Once the ampoule is opened, it should be used immediately and cannot be melted again before being used as a standard substance. During use, strict precautions should be taken to prevent contamination.

Apart from what is providedBWN5782-2016Microcystin LR standard sample in methanol，There are also quality control samples:

BWQ9574-2016 Microcystin RR in methanol (standard sample) 1.22 μ g/mL

BWQ9583-2016 Microcystis LR Quality Control Sample in Methanol 23.91 μ g/L

BWQ8345-2016Microcystin LR solution standard substance in methanol at a concentration of 10 μ g/mL

BWN5835-2016 Microcystis LR Solution in Methanol Standard Reference Material 20 μ g/mL

BWN5840-2016 Microcystin RR Solution in Methanol Standard Reference Material 20 μ g/mL

BWQ9799-2016 Microcystin LW Solution in Methanol Standard Reference Material 10 μ g/mL

BWN5509-2016 Microcystin RR Solution in Methanol Standard Reference Material 5 μ g/mL

BWQ8901-2016 Microcystin RR Solution Standard Reference Material in Methanol 10 μ g/mL

BWN5858-2016 Microcystin YR Solution in Methanol Standard Reference Material 10 μ g/mL

BWQ9772-2016 Microcystin LF Solution in Methanol Standard Reference Material 10 μ g/mL

BWJ4950-2016 Microcystin LR Standard 98.3%

More details on quality control samples can be found atZhongyuan Standard Material Center（Henan Detong Environmental Protection Technology Co., Ltd）Welcome!