28 Mix organophosphorus solution in acetone | Pesticide residue standard

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28 Mix organophosphorus solution in acetone 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	Dichlorvos	62-73-7	10.93μg/mL	0.66μg/mL	Acetone
2	crotonic acid, 3-hydroxy-, methyl ester, dimethyl phosphate	7786-34-7	10.93μg/mL	0.66μg/mL
3	demeton	8065-48-3	10.97μg/mL	0.66μg/mL
4	Mocap	13194-48-4	10.93μg/mL	0.66μg/mL
5	SULFOTEP	3689-24-5	11.01μg/mL	0.66μg/mL
6	Phorate	298-02-2	11.02μg/mL	0.66μg/mL
7	Dimethoate	60-51-5	10.94μg/mL	0.66μg/mL
8	Terbufos	13071-79-9	10.97μg/mL	0.66μg/mL
9	Diazinon	333-41-5	10.98μg/mL	0.66μg/mL
10	Dimecron	13171-21-6	11.04μg/mL	0.66μg/mL
11	fonofos	944-22-9	11.04μg/mL	0.66μg/mL
12	ISAZOPHOS	42509-80-8	11.00μg/mL	0.66μg/mL
13	Iprobenfos	26087-47-8	10.97μg/mL	0.66μg/mL
14	Chlorpyrifos-methyl	5598-13-0	10.97μg/mL	0.66μg/mL
15	Parathion-methyl	298-00-0	10.97μg/mL	0.66μg/mL
16	Fenitrothion	122-14-5	10.93μg/mL	0.66μg/mL
17	Malathion	121-75-5	10.93μg/mL	0.66μg/mL
18	Clorpyrifos	2921-88-2	10.94μg/mL	0.66μg/mL
19	Parathion	56-38-2	11.00μg/mL	0.66μg/mL
20	Isocarbophos	24353-61-5	11.05μg/mL	0.66μg/mL
21	Bromophos	2104-96-3	11.09μg/mL	0.67μg/mL
22	IMIDACLOPRID	99675-03-3	11.00μg/mL	0.66μg/mL
23	phenthoate	2597-03-7	10.76μg/mL	0.66μg/mL
24	Fenamiphos	22224-92-6	11.03μg/mL	0.66μg/mL
25	Profenofos	41198-08-7	11.08μg/mL	0.66μg/mL
26	Triazophos	24017-47-8	10.97μg/mL	0.66μg/mL
27	coumaphos	56-72-4	10.98μg/mL	0.66μg/mL
28	Trichlorfon	52-68-6	9.37μg/mL	0.56μg/mL

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 Ampoule bottle, with the specification of 1.2mL*2 pieces. 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	Acetone
Packing	Ampoule bottle
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.