32 Mix sulfonamides/quinolones in methanol | Veterinary drug residue standard

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32 Mix sulfonamides/quinolones in methanol View Certificate

This product can be used as a working standard for daily analysis and testing; It can also be used for laboratory quality control such as test method evaluation and instrument calibration.

1、Traceability and value determination method

The standard value is verified by . The traceability of the product quantity value is ensured through the use of production, measurement methods and measuring instruments that meet the requirements of metrological characteristics.

2、Characteristic value and expanded uncertainty

No	Analyte	CAS	Standard value	Uncertainty(k=2)	Matrix
1	Sulfacetamide	144-80-9	10μg/mL	6%	Methanol
2	Sulfapyridine	144-83-2	10μg/mL	6%
3	Sulfadiazine	68-35-9	10μg/mL	6%
4	Sulfamethoxazole	723-46-6	10μg/mL	6%
5	Sulfathiazole	72-14-0	10μg/mL	6%
6	Sulfamerazine	127-79-7	10μg/mL	6%
7	Sulfisoxazole	127-69-5	10μg/mL	6%
8	Sulfamethizole	144-82-1	10μg/mL	6%
9	Sulfabenzamide	127-71-9	10μg/mL	6%
10	SULFISOMIDINE	515-64-0	10μg/mL	6%
11	Sulfamethazine	57-68-1	10μg/mL	6%
12	Sulfamonomethoxine	1220-83-3	10μg/mL	6%
13	Sulfamethoxypyridazine	80-35-3	10μg/mL	6%
14	Sulfameter	651-06-9	10μg/mL	6%
15	Prinz	80-32-0	10μg/mL	6%
16	Sulfadoxine	2447-57-6	10μg/mL	6%
17	Sulfadimethoxine	122-11-2	10μg/mL	6%
18	Sulfaphenazole	526-08-9	10μg/mL	6%
19	Phthalylsulfathiazole	85-73-4	10μg/mL	6%
20	Oxolinic acid	14698-29-4	10μg/mL	6%
21	Flumequine	42835-25-6	10μg/mL	6%
22	Norfloxacin	70458-96-7	10μg/mL	6%
23	Enoxacin	74011-58-8	10μg/mL	6%
24	Ciprofloxacin	85721-33-1	10μg/mL	6%
25	Pefloxacin	70458-92-3	10μg/mL	6%
26	Lomefloxacin	98079-51-7	10μg/mL	6%
27	DANOFLOXACIN	112398-08-0	10μg/mL	6%
28	Enrofloxacin	93106-60-6	10μg/mL	6%
29	Ofloxacin	82419-36-1	10μg/mL	6%
30	Marbofloxacin	115550-35-1	10μg/mL	6%
31	Sarafloxacin	98105-99-8	10μg/mL	6%
32	Difloxacin	98106-17-3	10μg/mL	6%

3、Uniformity test and stability investigation

According to ISO 33405 metrology technical specification, the samples are randomly sampled after packaging, and the uniformity test and long-term stability tracking of the product are carried out by . The results show that the uniformity meets the F test rules and has good stability.

The quantitative value of this product is valid for 12 months from the date of value determination. The research and development unit will continue to track and monitor the stability of the product. If the value changes during the validity period, the user will be notified in time.

4、Packaging storage and use

Packaging: This product is packaged in Brown ampoule, with the specification of 1.2mL. It should be protected from breaking when carried or transported.

Storage: at -20 ℃ and in the sealed and light-proof conditions. Before use, it should be （20±3）℃℃ fully shaken to ensure homogeneity. This product should be used as soon as possible after being opened. During the use process, strict precautions should be taken to prevent contamination.

Form	Liquid State
Stroma	Methanol
Packing	Brown ampoule
Save conditions	Refrigeration(4±4）℃ Store airtight and away from light place.Before use, the temperature should be adjusted to at -20 ℃，shake uniformity.Used up after opening,prevent contamination during use.