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GB 3150-2010: National food safety standards -- Food additives -- Sulfur
Status: Valid
GB 3150: Historical versions
| Standard ID | USD | BUY PDF | Lead-Days | Standard Title (Description) | Status |
| GB 3150-2010 | 189 |
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3 days
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National food safety standards -- Food additives -- Sulfur
| Valid |
| GB 3150-1999 | 279 |
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3 days
|
Food additive-- Sulphur
| Obsolete |
| GB 3150-1982 | RFQ |
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3 days
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Food additive--Sulphur
| Obsolete |
Basic data
Standard ID: GB 3150-2010 (GB3150-2010)
Description (Translated English): National food safety standards -- Food additives -- Sulfur
Sector / Industry: National Standard
Classification of Chinese Standard: X42
Classification of International Standard: 67.220.20
Word Count Estimation: 8,867
Date of Issue: 2010-12-21
Date of Implementation: 2011-02-21
Older Standard (superseded by this standard): GB 3150-1999
Regulation (derived from): Ministry of Health Bulletin No. 19 of 2010
Issuing agency(ies): Ministry of Health of the People's Republic of China
Summary: This Chinese standard applies to the use of industrial sulfur after processing, treatment, purification prepared food additive sulfur.
GB 3150-2010: National food safety standards -- Food additives -- Sulfur
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
National food safety standards - food additives - sulfur
National Food Safety Standard
Food additives sulfur
Issued on. 2010-12-21
2011-02-21 implementation
National Standards of People's Republic of China
People's Republic of China Ministry of Health issued
Foreword
This standard replaces GB 3150-1999 "food additive sulfur."
The main technical differences between standard and GB 3150-1999 are as follows.
- Added sulfide indicators and test methods;
- Increases the weight determination of organic content;
- Added diethyl dithiocarbamate silver spectrophotometric determination of arsenic content.
Appendix A of this standard is a normative appendix.
This standard replaces the standards previously issued as follows.
--GB/T 3150-1982, GB/T 3150-1999.
National Food Safety Standard
Food additives sulfur
1 Scope
This standard applies to the use of industrial sulfur after processing, treatment, purification prepared food additive sulfur.
2 Normative references
The standard file referenced in the application of this standard is essential. For dated references, only the dated edition of fitness
For this standard. For undated references, the latest edition (including any amendments) applies to this standard.
3 formula and relative molecular mass
Formula 3.1
3.2 relative molecular mass
32.065 (according to 2007 international relative atomic mass)
4. Technical Requirements
4.1 Sensory requirements. comply with Table 1.
Table 1 Sensory requirements
Project requires test methods
Color yellow or yellowish take appropriate sample placed in 50mL beaker was observed under natural light color
Chak and texture. Powder or flake state organization
4.2 Physical indicators. to comply with Table 2.
Table 2. Physical and chemical indicators
Item Index Test Method
Sulfur (S), w /% ≥ 99.9 Appendix A A.4
Water, w /% ≤ 0.1 A.5 in Appendix A
Ash, w /% ≤ 0.03 A.6 in Appendix A
Acidity (H2SO4 dollars), w /% ≤ 0.003 Appendix A A.7
Organic, w /% ≤ 0.03 Appendix A A.8
Sulfide by examining Appendix A, A.9
Arsenic (As)/(mg/kg) ≤ 1 Appendix A A.10
Appendix A
(Normative)
Testing method
A.1 Warning
Reagents The standard test methods used for toxic or corrosive, the operation should be careful as the water splashed on the skin should immediately
Flushing, severe cases should be treated immediately.
A.2 General Provisions
The standard test methods and reagents used in water in the absence of other specified requirements, refer to analytically pure reagents and GB/T 6682-2008 in Regulation
Given three water. Used in the test standard titration solution, impurity standard solution, preparations and products, did not indicate when the other requirements, according to HG/T
3696.1, HG/T 3696.2, HG/T 3696.3 regulations of preparation.
A.3 Identification Test
A.3.1 Reagents and materials
A.3.1.1 pyridine.
A.3.1.2 sodium bicarbonate solution. 35 g/L.
A.3.2 Analysis step
Identification of sulfur by the following method.
A.3.2.1 at 115 ℃ melt into yellow mobile liquid, and then heated to 160 ℃, the black becomes sticky.
A.3.2.2 on a blue flame combustion of sulfur dioxide, and irritating odor.
A.3.2.3 Take about 1g sample was dissolved in 2 mL of pyridine hot, add 0.2mL solution of sodium bicarbonate, resulting in blue or green.
A.4 Determination of sulfur
A.4.1 Method summary
With GB/T 2449-2006 in 5.1.1.1.
A.4.2 Calculation Results
Sulfur content of sulfur (S) mass fraction w1 and its value is expressed in%, according to formula (A.1) Calculated.
) (0 54321 wwwww - = (A.1)
Where.
w2-- A.6 measured by ash content, expressed as a percentage;
w3-- Press A.7 measured acidity content, expressed as a percentage;
w4-- Press A.8 measured organic matter content, expressed as a percentage;
w5-- Press A.10 measured arsenic content, expressed as a percentage.
The results to one decimal place.
A.5 Determination of Moisture
With the GB/T 2449-2006 5.2.
A.6 Determination of ash
With the GB/T 2449-2006 5.3.
A.7 Determination of acidity
With GB/T 5.4 in 2449-2006.
A.8 Determination of organic matter
A.8.1 Titration (Arbitration Act)
With GB/T 2449-2006 in 5.5.1.
A.8.2 gravimetric method
With the GB/T 2449-2006 5.5.2.
A.9 Determination of sulfide
A.9.1 Reagents and materials
A.9.1.1 acetic acid solution. 13.
A.9.1.2 lead nitrate solution. 1.6g/L (carbon dioxide-free water prepared with boiled new).
A.9.1.3 sodium sulfide solution.
A.9.1.4 acetate buffer solution. pH 3.5.
A.9.1.5 Lead standard solution. 1mL solution containing lead (Pb) 0.010mg, using now.
Pipette 1.00mL lead standard solution according to HG/T 3696.2 prepared, placed in 100mL flask, diluted with water to the mark.
A.9.2 Analysis step
Weigh 5.0g sample accurate to 0.01g, beaker, add 50mL water placed 30min. Stirring frequently during placement,
filter. Pipette 10.00mL filtrate, placed in 50mL colorimetric tube, add 2mL acetate buffer solution, 1mL lead nitrate solution was diluted with water
To the mark. 5min place in the dark, their color can not be deeper than the standard colorimetric solution.
Standard colorimetric solution. Pipette 1.00mL lead standard solution, placed in 50mL colorimetric tube, add 2mL acetate buffer solution, 10mL vulcanization
Soda solution, diluted with water to the mark. 5min placed in the dark.
A.10 Determination of Arsenic
A.10.1 diethyl dithiocarbamate silver spectrophotometry (Arbitration Act)
With GB/T 2449-2006 in 5.6.1.
A.10.2 Gutzeit method
With the GB/T 2449-2006 5.6.2.
......
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