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Weiyel > Food > Food matrix standard > Rice > Sichuan High-selenium Rice

Sichuan High-selenium Rice

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  • Cat No.：GBW(E)100745
  • Form：Solid State
  • Term of validit：192 Months
Pack Size:
  • 30g , 0.083
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Sichuan High-selenium Rice 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 K 7440-09-7 0.083 0.008 Sichuan (high selenium) rice
2 Mg 7439-95-4 0.033 0.004
3 Nitrogen 7727-37-9 1.29 0.06
4 P 7723-14-0 0.116 0.009
5 S 7704-34-9 0.125 0.008
6 Al 7429-90-5 (38)(represents information value) /
7 As 7440-38-2 0.10 0.01
8 B 7440-42-8 0.56 0.12
9 Ba 7440-39-3 0.24 0.08
10 Ca 7440-70-2 86 10
11 Cd 7440-43-9 0.84 0.08
12 Cr 7440-47-3 (0.057)(represents information value) /
13 Cs 7440-46-2 0.027 0.004
14 Cu 7440-50-8 1.34 0.14
15 Fe 7439-89-6 5.4 0.8
16 I 7553-56-2 (0.1)(represents information value) /
17 Li 7439-93-2 (0.012)(represents information value) /
18 Mn 7439-96-5 10 1
19 Mo 7439-98-7 0.62 0.11
20 Na 7440-23-5 7.5 1.9
21 Ni 7440-02-0 0.21 0.06
22 Pb 7439-92-1 0.05 0.01
23 Rb 7440-17-7 6.0 0.3
24 Se 7782-49-2 0.11 0.04
25 Si 7440-21-3 (46)(represents information value) /
26 Sr 7440-24-6 0.15 0.04
27 Ti 7440-32-6 (1.2)(represents information value) /
28 Y 7440-65-5 0.077 0.014
29 Zn 7440-66-6 15 2
30 Ag 7440-22-4 2.5 0.5
31 Be 7440-41-7 0.47 0.13
32 Bi 7440-69-9 (1.04)(represents information value) /
33 Ce 7440-45-1 (3.2)(represents information value) /
34 Co 7440-48-4 11 3
35 Dy 7429-91-6 (0.21)(represents information value) /
36 Er 7440-52-0 0.10 0.05
37 Eu 7440-53-1 0.12 0.04
38 Gd 7440-54-2 0.40 0.12
39 Ge 7440-56-4 7 3
40 Hg 7439-97-6 2.6 0.4
41 Ho 7440-60-0 (0.06)(represents information value) /
42 La 7439-91-0 4.3 0.8
43 Lu 7439-94-3 (0.029)(represents information value) /
44 Nd 7440-00-8 1.3 0.5
45 Pr 7440-10-0 0.45 0.15
46 Sb 7440-36-0 (5)(represents information value) /
47 Sc 7440-20-2 (7)(represents information value) /
48 Sm 7440-19-9 0.31 0.12
49 Sn 7440-31-5 (5)(represents information value) /
50 Tb 7440-27-9 (0.06)(represents information value) /
51 Th 7440-29-1 (0.8)(represents information value) /
52 Tl 7440-28-0 (0.3)(represents information value) /
53 Tm 7440-30-4 (0.026)(represents information value) /
54 U 7440-61-1 (0.4)(represents information value) /
55 V 7440-62-2 (14)(represents information value) /
56 Yb 7440-64-4 (0.1)(represents information value) /
57 Br 7726-95-6 (0.92)(represents information value) /
58 Cl 7782-50-5 (218)(represents information value) /
59 F 7782-41-4 (0.6)(represents information value) /

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 192 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 High-density plastic bottle, with the specification of 30g. It should be protected from breaking when carried or transported.
Storage: Room temperature and in the sealed and light-proof conditions. Before use, it should be ℃ 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.
Sichuan High-selenium Rice Essential Information
Form Solid State
Stroma Sichuan (high selenium) rice
Packing High-density plastic bottle
Save conditions Refrigeration(4±4）℃ Store airtight and away from light place.Before use, the temperature should be adjusted to Room temperature，shake uniformity.Used up after opening,prevent contamination during use.
Magnitude Information
No Analyte Standard value Uncertainty(k=2) CAS
1 K 0.083 0.008 7440-09-7
2 Mg 0.033 0.004 7439-95-4
3 Nitrogen 1.29 0.06 7727-37-9
4 P 0.116 0.009 7723-14-0
5 S 0.125 0.008 7704-34-9
6 Al (38)(represents information value) / 7429-90-5
7 As 0.10 0.01 7440-38-2
8 B 0.56 0.12 7440-42-8
9 Ba 0.24 0.08 7440-39-3
10 Ca 86 10 7440-70-2
11 Cd 0.84 0.08 7440-43-9
12 Cr (0.057)(represents information value) / 7440-47-3
13 Cs 0.027 0.004 7440-46-2
14 Cu 1.34 0.14 7440-50-8
15 Fe 5.4 0.8 7439-89-6
16 I (0.1)(represents information value) / 7553-56-2
17 Li (0.012)(represents information value) / 7439-93-2
18 Mn 10 1 7439-96-5
19 Mo 0.62 0.11 7439-98-7
20 Na 7.5 1.9 7440-23-5
21 Ni 0.21 0.06 7440-02-0
22 Pb 0.05 0.01 7439-92-1
23 Rb 6.0 0.3 7440-17-7
24 Se 0.11 0.04 7782-49-2
25 Si (46)(represents information value) / 7440-21-3
26 Sr 0.15 0.04 7440-24-6
27 Ti (1.2)(represents information value) / 7440-32-6
28 Y 0.077 0.014 7440-65-5
29 Zn 15 2 7440-66-6
30 Ag 2.5 0.5 7440-22-4
31 Be 0.47 0.13 7440-41-7
32 Bi (1.04)(represents information value) / 7440-69-9
33 Ce (3.2)(represents information value) / 7440-45-1
34 Co 11 3 7440-48-4
35 Dy (0.21)(represents information value) / 7429-91-6
36 Er 0.10 0.05 7440-52-0
37 Eu 0.12 0.04 7440-53-1
38 Gd 0.40 0.12 7440-54-2
39 Ge 7 3 7440-56-4
40 Hg 2.6 0.4 7439-97-6
41 Ho (0.06)(represents information value) / 7440-60-0
42 La 4.3 0.8 7439-91-0
43 Lu (0.029)(represents information value) / 7439-94-3
44 Nd 1.3 0.5 7440-00-8
45 Pr 0.45 0.15 7440-10-0
46 Sb (5)(represents information value) / 7440-36-0
47 Sc (7)(represents information value) / 7440-20-2
48 Sm 0.31 0.12 7440-19-9
49 Sn (5)(represents information value) / 7440-31-5
50 Tb (0.06)(represents information value) / 7440-27-9
51 Th (0.8)(represents information value) / 7440-29-1
52 Tl (0.3)(represents information value) / 7440-28-0
53 Tm (0.026)(represents information value) / 7440-30-4
54 U (0.4)(represents information value) / 7440-61-1
55 V (14)(represents information value) / 7440-62-2
56 Yb (0.1)(represents information value) / 7440-64-4
57 Br (0.92)(represents information value) / 7726-95-6
58 Cl (218)(represents information value) / 7782-50-5
59 F (0.6)(represents information value) / 7782-41-4
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