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GB 1886.87-2015: National Food Safety Standard -- Food Additives -- Beeswax
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National Food Safety Standard -- Food Additives -- Beeswax
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GB 1886.87-2015
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Basic data | Standard ID | GB 1886.87-2015 (GB1886.87-2015) | | Description (Translated English) | National Food Safety Standard -- Food Additives -- Beeswax | | Sector / Industry | National Standard | | Classification of Chinese Standard | X40 | | Word Count Estimation | 6,669 | | Date of Issue | 2015-09-22 | | Date of Implementation | 2016-03-22 | | Regulation (derived from) | PRC National Health and Family Planning Commission 2015 No.8 | | Issuing agency(ies) | National Health and Family Planning Commission of the People's Republic of China | GB 1886.87-2015: National Food Safety Standard -- Food Additives -- Beeswax---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 for food additives beeswax)
National Standards of People's Republic of China
National Food Safety Standard
Food Additives beeswax
Issued on. 2015-09-22
2016-03-22 implementation
People's Republic of China
National Health and Family Planning Commission released
National Food Safety Standard
Food Additives beeswax
1 Scope
This standard applies to the hive honey obtained after removal of food additives beeswax.
2 Technical Requirements
2.1 Sensory requirements
Sensory requirements shall comply with the requirements of Table 1.
Table 1 Sensory requirements
Project requires test methods
White or slightly yellow color, yellow or light brown
Solid state
Take appropriate sample is placed in a clean, dry white porcelain dish, under natural light,
Observe the color and status
2.2 Physical indicators
Physical and chemical indicators should be consistent with the provisions of Table 2.
Table 2. Physical and chemical indicators
Item Index Test Method
Peroxide value, w /% ≤ 5.0 Appendix A A.3
Acid value (in dollars KOH)/(mg/g) 17 ~ 24 in Appendix A A.4
Saponification value (in dollars KOH)/(mg/g) 87 ~ 104 Appendix A A.5
Melting range/℃ 62 ~ 65 GB/T 617
Glycerol and other polyols, w /% ≤ 0.5 A.6 in Appendix A
Lead (Pb)/(mg/kg) ≤ 2.0 GB 5009.12
Carnauba wax by testing in A.7 in Appendix A
Ceresin wax, paraffin wax and other by testing Annex A A.8
Fat, Japan wax, rosin and soaps by testing A.9 in Appendix A
Appendix A
Testing method
A.1 General Provisions
This standard reagents and water in the absence of other specified requirements, refer to the three water analytical reagent and GB/T 6682 regulations.
Standard solutions used in the tests, the determination of impurities standard solution, preparations and products, did not indicate when the other requirements according to GB/T 601,
GB/T 602, GB/T 603 provisions of preparation. Solution was used in the tests did not indicate what is formulated with solvent, it refers to an aqueous solution.
A.2 Identification Test
Solubility. insoluble in water, slightly soluble in ethanol, soluble in ether.
A.3 Determination of peroxide value
A.3.1 Reagents and materials
A.3.1.1 chloroform acetic acid solution. 23, which is a 30% solution of acetic acid (about 5mol/L).
A.3.1.2 saturated solution of potassium iodide.
A.3.1.3 sodium thiosulfate standard titration solution. c1 (Na2S2O3) = 0.01mol/L.
A.3.1.4 starch indicator solution. 10g/L.
A.3.2 Analysis step
Weigh about 5g sample, accurate to 0.0001g, placed in 200mL conical flask, 30mL chloroform solution of acetic acid, stopper. To warm
Water and dissolved by heating. Add 0.5mL of saturated potassium iodide solution was cooled to room temperature. Stopper, shake vigorously earthquake 60s ± 5s. Was added 30mL of water, plus
Starch indicator solution, titration immediately titrated with sodium thiosulfate standard solution. While doing the blank test.
A.3.3 Calculation Results
POV mass fraction w1, according to equation (A.1) Calculated.
w1 =
(V1-V0) × 1000 × c1
m0 ×
100% (A.1)
Where.
Volume V1 --- sample consumption of sodium thiosulfate solution in milliliters (mL);
V0 --- blank test consumption volume of sodium thiosulfate solution in milliliters (mL);
1000 --- volume conversion factor;
Concentration c1 --- sodium thiosulfate standard titration solution, expressed in moles per liter (mol/L);
m0 --- sample mass, in grams (g).
A.4 acid value (in dollars KOH) Determination
A.4.1 Reagents and materials
A.4.1.1 sodium hydroxide standard titration solution. c2 (NaOH) = 0.1mol/L.
A.4.1.2 phenolphthalein indicator solution. 10g/L.
A.4.2 Analysis step
Weigh about 10g sample, accurate to 0.0001g, previously dissolved with sodium hydroxide solution (phenolphthalein indicator solution indication) of 50mL
Neutral ethanol. If it is not completely dissolved, slowly heated to reflux to completely dissolve. Plus phenolphthalein indicator solution 1mL, with sodium hydroxide
Standard Solution titration until the solution was pink, and shaken 10s does not fade.
A.4.3 Calculation Results
Acid value (in dollars KOH) w2, according to equation (A.2) Calculated.
w2 =
V2 × c2 × M
m1
(A.2)
Where.
V2 --- sodium hydroxide standard titration solution (A.4.1.1) volume in milliliters (mL);
c2 --- sodium hydroxide standard titration solution, expressed in moles per liter (mol/L);
--- The M molar mass of potassium hydroxide in grams per mole (g/mol), [M (KOH) = 56.109];
m1 --- sample mass, in grams (g).
A.5 saponification value (KOH meter) measurement
A.5.1 Reagents and materials
A.5.1.1 ethanol.
A.5.1.2 ethanolic potassium hydroxide. 40g/L.
A.5.1.3 hydrochloric acid standard titration solution. c3 (HCl) = 0.5mol/L.
A.5.1.4 phenolphthalein indicator solution. 10g/L.
A.5.2 Instruments and Equipment
Air condenser. length greater than 65cm.
A.5.3 Analysis step
Weighed amount of sample, accurate to 0.0001g, grinding mouth Erlenmeyer flask placed in 250mL sample added in an amount generally based on the samples after saponification
Need 0.5mol/L hydrochloric acid standard titrant volume accounted for about 45% to 50% still appropriate. Potassium hydroxide was added 50mL ± 0.02mL
Ethanol solution, connecting the air condenser, heated to reflux for 1h, coolish rinsed with 10mL ethanol condenser, remove the Erlenmeyer flask, add 5 drops
Phenolphthalein indicator solution, titration solution was titrated with standard hydrochloric acid solution to red just disappeared, the test solution was heated to boiling. If there is pink, continue to drop
Given to the red disappear shall end.
Measured at the same time, with the same amount of potassium hydroxide in ethanol blank test.
A.5.4 Calculation Results
Saponification value (in dollars KOH) w3, according to equation (A.3) Calculated.
w3 =
(V4-V3) × c3 × M
m2
(A.3)
Where.
V4 --- blank test volume of consumption hydrochloric acid standard titration solution, in milliliters (mL);
V3 --- consumption hydrochloric acid standard titration solution (A.5.1.3) the volume of the sample, in milliliters (mL);
c3 --- hydrochloric acid standard titration solution concentration, in units of moles per liter (mol/L);
--- The M molar mass of potassium hydroxide in grams per mole (g/mol), [M (KOH) = 56.109];
m2 --- sample mass, in grams (g).
A.6 Determination of glycerol and other polyols
A.6.1 Reagents and materials
A.6.1.1 ethanolic potassium hydroxide. 40g/L.
A.6.1.2 sulfuric acid solution. 6 → 100.
A.6.1.3 sodium periodate solution. 10.7g/L.
A.6.1.4 decolorized fuchsin. 1g/L.
Weigh 0.1g magenta dissolved in 60mL water. Another weigh 1g of anhydrous sodium sulfite was dissolved in 10mL of water was added to the solution under stirring,
Plus 2mL of hydrochloric acid, shake, diluted with water to 100mL. This solution was allowed to stand for at least 12h after dark with active carbon and filtered. If the solution
Solution became turbid, you can filter again before use. If after placing the solution turned purple, active carbon was added again. The resulting solution is stored.
A.6.2 Analysis step
Weigh 0.2g sample was placed in a flask, was added 10mL of potassium hydroxide ethanol solution, fitted with a reflux condenser, was heated under reflux in a water bath
30min. 50mL sulfuric acid solution was added, cooled and filtered. Leaching with sulfuric acid solution and filter flask, and then diluted to a sulfuric acid solution
1000mL. 1.0mL of the solution, placed in a test tube, was added 0.5mL sodium periodate solution. Shake standing 5min. Decolorizing
Magenta solution 1.0mL, mix, there should be no precipitate.
The tube was placed in a beaker filled with water 40 ℃, the cooling side while observing 10min ~ 15min, it can not be deeper than the standard blue-violet than
Color solution. Standard colorimetric solution was taken 1.0mL sulfuric acid solution containing 0.01mg/mL glycerol prepared in the same manner as described above.
A.7 carnauba wax test
Sample taken 100mg, placed in a test tube, add n-butanol 20mL, the tubes were immersed in boiling water, shake gently until completely dissolved. The tubes move
Into a beaker filled with water 60 ℃, cooled to room temperature. Clarification from the mother liquor crystallized some loose, with intact needle crystals. in
The crystals can be seen under a microscope showed needle or wire release, and no amorphous material that showed no presence of carnauba wax.
A.8 ceresin wax, paraffin wax and other tests
Weigh 3.0g sample was placed in 100mL round-bottomed flask, add 35mL ethanol solution of potassium hydroxide (40g/L), fitted with a reflux condenser
, A boiling 2h. Remove the condenser and immediately insert a thermometer, the flask was transferred to the water of 80 ℃, allowed to cool, while constantly shaking. In warm
When before reaches 65 ℃, observe the solution should be no precipitate, if there is only a milky white precipitate was produced without also qualified.
A.9 fat, Japan wax, rosin and soaps test
Weigh 1.0g sample was placed in 35mL of sodium hydroxide solution (1 → 7) and the solution was boiled for 30min, the middle need to add water to maintain the original
volume. After cooling and separation of liquid wax that is still clarification. Filtered and the filtrate was acidified with hydrochloric acid, there should be no precipitate.
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