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National Food Safety Standard -- Food Additives- ethyl malt phenol
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GB 1886.208-2016
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Basic data Standard ID | GB 1886.208-2016 (GB1886.208-2016) | Description (Translated English) | National Food Safety Standard -- Food Additives- ethyl malt phenol | Sector / Industry | National Standard | Classification of Chinese Standard | X42 | Word Count Estimation | 21,240 | Date of Issue | 2016-08-31 | Date of Implementation | 2017-01-01 | Older Standard (superseded by this standard) | GB 12487-2010 | Regulation (derived from) | Announcement of the State Administration of Public Health and Family Planning 2016 No.11 | Issuing agency(ies) | National Health and Family Planning Commission of the People's Republic of China, State Food and Drug Administration |
GB 1886.208-2016: National Food Safety Standard -- Food Additives- ethyl malt phenol---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.
(Food safety national standard - Food additive - Ethyl maltol)
National Standards of People's Republic of China
GB 1886.216-2016
National Food Safety Standard
Food additive magnesium oxide (including heavy and light)
Issued on. 2016-08-31
2017-01-01 implementation
People's Republic of China
National Health and Family Planning Commission released
GB 1886.216-2016
National Food Safety Standard
Food additive magnesium oxide (including heavy and light)
1 Scope
This standard applies to basic magnesium carbonate or magnesium hydroxide, calcined prepared food additive light magnesium; magnesium carbonate to heavy or heavy
Calcining magnesium hydroxide prepared food additive heavy magnesium oxide.
2 molecular formula and relative molecular mass
Formula 2.1
MgO
2.2 relative molecular mass
40.30 (according to 2013 international relative atomic mass)
3 Technical requirements
3.1 Sensory requirements
Sensory requirements shall comply with the requirements of Table 1.
Table 1 Sensory requirements
Project requires test methods
Color White
State powder
Take appropriate 50mL sample is placed in a beaker and watch in natural light
Color and state police
3.2 Physical and Chemical Indicators
Physical and chemical indicators should be consistent with the provisions of Table 2.
Table 2. Physical and chemical indicators
Item Index Test Method
Magnesium oxide (MgO, after ignition) content, w /% 96.0 ~ 100.5 Appendix A A.4
Calcium oxide (CaO), w /% ≤ 1.5 A.5 Appendix A
Acid insoluble, w /% ≤ 0.1 A.6 in Appendix A
Loss on ignition, w /% ≤ 5.0 Appendix A A.7
The free base in Appendix A test A.8
GB 1886.216-2016
TABLE 2 (cont.)
Item Index Test Method
Soluble salts by experiment A.9 in Appendix A
Arsenic (As)/(mg/kg) ≤ 3.0 GB 5009.76
Lead (Pb)/(mg/kg) ≤ 4.0 GB 5009.12 or GB 5009.75
GB 1886.216-2016
Appendix A
Testing method
A.1 Warning
Reagents The test methods used in corrosive, the operator should be careful as splashed on the skin should immediately wash with water, Yan
In severe cases should be treated immediately.
A.2 General Provisions
This standard reagents and water in the absence of other requirements specified, refers to three analytical reagent water and GB/T 6682 stipulated. test
Test used in the standard titration solution, preparations and products, did not indicate when the other requirements, according to GB T 601, the provisions of GB/T 603 the preparation /.
The solution in a solvent which does not indicate by when formulated, refers to an aqueous solution.
A.3 Identification Test
A.3.1 Reagents and materials
A.3.1.1 ammonium chloride.
A.3.1.2 hydrochloric acid solution. 13.
A.3.1.3 ammonia solution. 23.
A.3.1.4 ammonium carbonate solution.200g/L. Weigh 20.0g ammonium carbonate, dissolved in water, ammonia is added 20mL, diluted with water to 100mL.
A.3.1.5 sodium phosphate solution. 60g/L.
A.3.2 Identification method
Weigh about 1g sample was dissolved in 25mL hydrochloric acid solution in the presence of ammonium chloride was added and the sample solution is not a solution of ammonium carbonate
When the precipitate formed, continue to add sodium phosphate, insoluble in ammonia solution to generate a white crystalline precipitate.
A.4 Determination of magnesium oxide (MgO, after burning) Content
A.4.1 Method summary
Triethanolamine masking with a small amount of trivalent iron, trivalent aluminum and divalent manganese ions at a pH of 10, with chrome black T as indicator, with ethylene
Amine titration Disodium standard solution titration, calculate the amount of calcium and magnesium together, subtract calcium content of magnesium oxide content.
A.4.2 Reagents and materials
A.4.2.1 hydrochloric acid solution. 11.
A.4.2.2 ammonia solution. 11.
A.4.2.3 triethanolamine solution. 13.
A.4.2.4 ammonia - ammonium chloride buffer solution A (pH≈10).
A.4.2.5 disodium edetate (EDTA) standard titration solution. c (EDTA) = 0.02mol/L.
A.4.2.6 chrome black T indicator.
GB 1886.216-2016
A.4.3 Analysis step
Weigh about 5g samples, accurate to 0.0002g, placed in 250mL beaker, moistened with a little water, add about 55mL hydrochloric acid solution,
The sample was stirred until completely dissolved. Cover the surface of pan, boil 3min ~ 5min, after cooling transferred to 500mL volumetric flask, dilute to the mark with water
Degree, shake. This is the test solution A, for the magnesium oxide content, the determination of calcium oxide content.
Pipette Pipette 25mL sample solution A, placed in 250mL flask, diluted with water to the mark. Pipette pipette
25mL of the sample solution was placed in 250mL conical flask, 50mL of water was added, the solution was adjusted with aqueous ammonia solution to pH7 ~ 8 (with wide pH
Pan dipstick test), triethanolamine solution was added 5mL, 10mL ammonia - ammonium chloride buffer solution A, 0.1g chrome black T indicator, with ethylene diamine
Disodium (EDTA) titration standard solution titration solution from purple to pure blue as the end point.
A.4.4 Calculation Results
Magnesium oxide (MgO, after burning) the content of the mass fraction w1, according to formula (A.1) Calculated.
w1 =
(V1-
V2
) × c × M1
m1 ×
500 ×
250 × 1000
× 100% (A.1)
Where.
Volume V1 --- titrate the sample solution consumed disodium edetate (EDTA) titration standard solution, in milliliters
(ML of);
V2 --- volume A.5.2.5 titration of calcium oxide consumed disodium edetate (EDTA) titration standard solution, unit
Milliliters (mL of);
20 --- conversion factor;
c --- disodium edetate (EDTA) standard titration solution concentration, in units of moles per liter (mol/L);
Ml --- MgO molar mass in grams per mole (g/mol) [M (MgO) = 40.30];
M1 --- the quality of the sample, in grams (g);
Volume 25 --- A Pipette the sample solution, in milliliters (mL);
--- Volumetric flask of 500 milliliters (mL);
Volume 25 --- pipetting the sample solution, in milliliters (mL);
--- Volumetric flask of 250 milliliters (mL);
1000 --- conversion factor.
The results parallel arithmetic mean of the measurement results shall prevail. Twice under the same condition of independent determination results obtained absolute difference
Not more than 0.2%.
A.5 calcium oxide (CaO) Determination
A.5.1 Method summary
Triethanolamine masking with a small amount of trivalent iron, trivalent aluminum and divalent manganese ions at a pH of 12.5 to the Cal directs
Agents with disodium edetate calcium ion standard solution titration titration.
A.5.2 Reagents and materials
A.5.2.1 sodium hydroxide solution. 100g/L.
A.5.2.2 triethanolamine solution. 13.
A.5.2.3 disodium edetate (EDTA) standard titration solution. c (EDTA) = 0.02mol/L.
GB 1886.216-2016
A.5.2.4 the Cal indicator. Weigh 10g of sodium chloride dried at 105 ℃ under ± 5 ℃ 2h, and placed in a mortar, add
0.1g the Cal finely and mix. Placed in the weighing bottle, stored in a desiccator. Use of two months.
A.5.2.5 analysis step
Pipette Pipette 50mL sample solution A (A.4.3), placed in 250mL Erlenmeyer flask. Was added 30mL of water, 5mL Triethanolamine
Solution, a solution of sodium hydroxide solution with shaking, precipitation occurs when the solution just added 0.1g the Cal indicator to drop hydrogenation
Sodium hydroxide solution until the solution changed from blue to red wine, and excess 0.5mL. With disodium edetate (EDTA) standard titration solution drop
To the solution from wine red to pure blue as the end point.
A.5.3 Calculation Results
Calcium oxide (CaO) content of the mass fraction w2, according to equation (A.2) Calculated.
w2 =
V2 × c × M2
m1 ×
500 × 1000
× 100% (A.2)
Where.
V2 --- titrated sample solution consumed disodium edetate (EDTA) titration volume of standard solution, in milliliters
(ML of);
c --- disodium edetate (EDTA) standard titration solution concentration, in units of moles per liter (mol/L);
The M2 --- molar mass of calcium oxide units of grams per mole (g/mol) [M (CaO) = 56.08];
Quality, unit m1 --- A.4.3 sample in grams (g);
Volume 50 --- A sample solution is pipetted, in milliliters (mL of);
--- Volumetric flask of 500 milliliters (mL);
1000 --- conversion factor.
The results parallel arithmetic mean of the measurement results shall prevail. Twice under the same condition of independent determination results obtained absolute difference
Not more than 0.1%.
A.6 Determination of acid-insoluble matter
A.6.1 Reagents and materials
A.6.1.1 hydrochloric acid solution. 11.
A.6.1.2 silver nitrate solution. 17g/L.
A.6.2 Instruments and Equipment
A.6.2.1 porcelain crucible. 30mL.
A.6.2.2 high-temperature furnace. temperature can be controlled to 875 ℃ ± 25 ℃.
A.6.3 Analysis step
Weigh about 2g samples, accurate to 0.0002g. Placed in a beaker, 75mL of water was added, followed by stirring. Gradually add about 20mL hydrochloric acid solution
To dissolve the sample solution is no longer boiling 5min, hot filtered speed quantitative filter paper with hot water until the filtrate no chloride ions (silver nitrate solution seizure
Inspection), together with the filter paper placed in a pre insolubles were calcined at 875 ℃ ± 25 ℃ to constant mass in a porcelain crucible, dried, placed after ashing
875 ℃ ± 25 ℃ high temperature burning furnace to constant mass.
A.6.4 Calculation Results
The mass fraction of acid insoluble w3, according to equation (A.3) Calculated.
GB 1886.216-2016
w3 =
m2
m3 ×
100% (A.3)
Where.
After the mass m2 --- burning residue, in grams (g);
m3 --- sample mass, in grams (g).
The results parallel arithmetic mean of the measurement results shall prevail. Twice under the same condition of independent determination results obtained absolute difference
Not more than 0.02%.
A.7 Determination of loss on ignition
A.7.1 Instruments and Equipment
A.7.1.1 porcelain crucible. 30mL.
A.7.1.2 high-temperature furnace. temperature can be controlled to 875 ℃ ± 25 ℃.
A.7.2 Analysis step
Weigh about 0.5g sample, accurate to 0.0002g. Exposed to pre-calcined at 875 ℃ ± 25 ℃ to constant mass in a porcelain crucible, placed
875 ℃ ± 25 ℃ high temperature burning furnace to constant mass.
A.7.3 Calculation Results
LOI mass fraction w4, according to equation (A.4) Calculated.
w4 =
m4-m5
m4 ×
100% (A.4)
Where.
M4 --- the quality of the sample, in grams (g);
Quality m5 --- ignited sample in grams (g).
The results parallel arithmetic mean of the measurement results shall prevail. Twice under the same condition of independent determination results obtained absolute difference
Not more than 0.2%.
A.8 Determination of the free base
A.8.1 Reagents and materials
A.8.1.1 sulfuric acid standard titration solution. c (
2H2SO4
) = 0.100mol/L.
A.8.1.2 methyl red indicator solution. 1g/L.
A.8.2 Analysis step
Weigh 2.00g ± 0.01g sample was placed in a beaker. Was added 100mL of water, cover the surface of pan, boil 5min. Serve hot with a fixed speed
Of filter paper, the filtrate collected in a 100mL flask, after cooling diluted with water to the mark. This is the test solution B, for free
Alkali soluble salts measured.
Pipette Pipette 50mL sample solution B, placed in a conical flask, add 2 drops of methyl red indicator solution using sulfuric acid standard titration solution drop
Given to the solution turns red. The consumption of sulfuric acid standard titration solution is not more than 2.0mL, namely through tests.
GB 1886.216-2016
A.9 Determination of soluble salts
A.9.1 Instruments and Equipment
A.9.1.1 electric oven. temperature can be controlled to 105 ℃ ± 2 ℃.
A.9.1.2 water bath.
A.9.2 Analysis step
Using a pipette to take a sample solution B (A.8.2) 25mL in advance at 105 ℃ ± 2 ℃ drying to constant mass evaporating dish at
Water bath and evaporated to dryness. The evaporating dish placed in 105 ℃ ± 2 ℃ in electric oven drying 1h. Removed, cooled and weighed.
The residue of not more than 10mg, namely through tests.
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