CRM-FDMT1 Standard for Various Marine Toxins in Mussel Tissue

CRM-FDMT1 Standard for Various Marine Toxins in Mussel Tissue Product Introduction

Brand: Canadian NRC Standard

CRM code（货号）：CRM-FDMT1

英文名称： Freeze-dried Mussel Tissue Certified Reference Material for Multiple Marine Toxins

Chinese name: Standard substances for various marine toxins in freeze-dried scallop tissue

Specifications3g

Validity period:

If stored unopened under recommended conditions, the certified concentration of ORM-FDMT1 is valid for 3 years from the date of sale.

Direct ordering from the original manufacturer, quality assurance, short delivery time, and after-sales service *.

Product Description:

Marine algal toxins can accumulate in filter feeding shellfish, which is harmful to human health. It is necessary to monitor the presence of these toxins to protect consumers and the seafood industry [1,2]. CRM-FDMT1 is a freeze-dried mussel tissue (mussel) containing six major types of shellfish toxins. ORM-FDMT1 is prepared by mixing contaminated mussel tissue and enhancing it with cultured algae and purified toxins [3]. The certified values and extended uncertainties (U/c) of chondroitin sulfate, azelaid-1, -2, and -3, okadaic acid, digoxin -1 and -2, cytotoxin, pectin toxin -2, and 13- demethylspironolactone c have been determined (Tables 1 and 2). Information values were also assigned to many other analytes in each toxin group (Tables 4 and 5).

Expected use:

CRM-FDMT1 is a matrix CRM designed to test the accuracy of the entire analysis method. CRM contains many shellfish toxins, which are regulated in the biotoxin monitoring program. The range of analytes in this material is wide, some with specified certification values and uncertainties, while others have informative values, making CRM-FDMT1 a valuable material for developing effective sample extraction procedures, optimizing separation and detection methods, and measuring authenticity in routine quality control.

Storage and usage instructions:

The sealed bottle of CRM-FDMT1 should be stored in a refrigerator (≤ -12 ℃) to ensure stability between sub samples. After removing the contents, the bottle should be resealed with a rubber stopper and pressure cap or laboratory film under nitrogen or argon gas, and immediately placed back in the refrigerator.

The recommended minimum sample size is 0.35 g, which is equivalent to about 2 g of wet tissue after reconstitution [4]. To reconfigure 0.35 g of CRM-FDMT1, 1.65 mL of deionized water should be added and vortexed for 30 seconds, followed by ultrasonic treatment for 60 seconds [5,6]. Note: The certification value of CRM-FDMT1 is related to the received CRM and not to the concentration based on the full dry weight of WAN. It is crucial to take all preventive measures to avoid changes in the moisture content of freeze-dried powder, as these changes may have a significant impact on the measured concentration compared to the certified value.

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