GB 1886.95-2015 English PDFUS$149.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB 1886.95-2015: National Food Safety Standard -- Food Additives -- Polyglyceryl-10 Polyricinoleate (PGPR) Status: Valid
Basic dataStandard ID: GB 1886.95-2015 (GB1886.95-2015)Description (Translated English): National Food Safety Standard -- Food Additives -- Polyglyceryl-10 Polyricinoleate (PGPR) Sector / Industry: National Standard Classification of Chinese Standard: X40 Word Count Estimation: 7,74 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 1886.95-2015: National Food Safety Standard -- Food Additives -- Polyglyceryl-10 Polyricinoleate (PGPR)---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 polyglycerol ricinoleate (PGPR)) National Standards of People's Republic of China National Food Safety Standard Food Additives polyglycerol ricinoleate (PGPR) 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 polyglycerol ricinoleate (PGPR) 1 ScopeThis standard applies to polyglycerol with condensed castor oil fatty acids as raw material by esterification of food additive polyglycerol ricinoleate (PGPR).2 formulaAverage value of n is about 3, R1, R2 and R3 are each hydrogen or linear ricinoleic acid polycondensate having the structure. The average value of 5 to 8 m.3 Technical requirements3.1 Sensory requirements Sensory requirements shall comply with the requirements of Table 1. Table 1 Sensory requirements Project requires test methods State highly viscous liquid sample is placed in an appropriate amount 50mL beaker, observe its status in natural light 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 Polyglycerol (dimer, trimer and tetramer glycerol), w /% ≥ Polyglycerol (seven polyglycerol above), w /% ≤ 75.0 10.0 Appendix A A.3 Lead (Pb)/(mg/kg) ≤ 2.0 GB 5009.12Appendix ATesting 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. test Used in the standard solution, standard solution for measuring impurities, formulations 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 A.2.1 solubility Insoluble in water and ethanol, ethyl ether, hydrocarbons and halogenated hydrocarbons. A.2.2 fatty acid test A.2.2.1 Reagents and materials A.2.2.1.1 hexane. A.2.2.1.2 ethanolic potassium hydroxide. 28g/L. A.2.2.1.3 hydrochloric acid solution. 226 → 1000. A.2.2.2 analysis step 1g sample was weighed to the nearest 0.01g, and 15mL of potassium hydroxide in ethanol was heated at reflux for 1h. Add 15mL water, add about 6mL Hydrochloric acid solution. Oil droplets or white to yellow-white solid was soluble in 5mL of hexane. The hexane layer was separated, and then a 5mL hexane extraction Times, combined hexane extracts were evaporated to dryness. The resulting fatty acids by gas chromatography to identify, test results were positive. All operations should be ventilated Hood performed. A.2.3 ricinoleic acid test A.2.3.1 Reagents and materials A.2.3.1.1 pyridine. phenolphthalein as an indicator, with hydrochloric acid solution (1110) and. A.2.3.1.2 neutral n-butanol. phenolphthalein as indicator, titrated with potassium hydroxide in ethanol standard solution titration to appear pink and holding 15s do not change color. A.2.3.1.3 acetylating agent. acetic anhydride in pyridine by mixing 13, stored in a brown bottle. A.2.3.1.4 potassium hydroxide - ethanol standard titration solution. c (KOH) = 0.5mol/L. A.2.3.1.5 phenolphthalein indicator solution. 10g/L. A.2.3.2 analysis step Weigh about 2.2g sample, accurate to 0.0001g, placed in 250mL grinding mouth Erlenmeyer flask, 5mL ± 0.02mL acetylating agent, Connected to a condenser, in a water bath heated to reflux for 1h. After adding 10mL water from the condenser to the upper end of the conical flask and heating continued for 10min, cold To room temperature. 15mL of n-butanol with neutral wash condenser, remove the condenser, and then 10mL of n-butanol neutral wash bottle wall. Join 8 drops of phenolphthalein indicator solution, potassium hydroxide - ethanol standard titration solution titrated to a solution pink is the end. At the same time a blank test. To correct the free acid, weigh about 10g sample to the nearest 0.01g. Placed in a conical flask, 30mL of pyridine was added 5 drops of phenolphthalein Indicator solution, titration with potassium hydroxide in ethanol standard solution titration until the solution was pink. A.2.3.3 hydroxyl value calculation results A hydroxyl value (KOH basis) the mass fraction w1, in milligrams per gram (mg/g) count, according to formula (A.1) Calculated. w1 = (V0-V1) × c × M m1 V2 × c × M m0 (A.1) Where. V0 --- blank test of ethanol consumption volume of potassium hydroxide standard titration solution, in milliliters (mL); V1 --- sample consumption volume of potassium hydroxide in ethanol standard titration solution, in milliliters (mL); c --- ethanol concentration of potassium 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]; Mass m1 --- hydroxyl value measurement sample in grams (g); V2 --- correction of the free acid consumption of alcohol by volume of potassium hydroxide standard titration solution, in milliliters (mL); Correction mass m0 --- free acid sample when measured in units of grams (g). A.2.3.4 ricinoleic result of the judgment Ricinoleic acid hydroxyl number of about 150 to 170. A.2.4 glycerol and polyglycerol test In the next paper chromatography glycerol plus 20μLA.2.2 control colored spots in the extracted fatty acids 5μL ~ aqueous layer solution using downlink chromatography France, with isopropanol and water (90.10) Expand 36h. Acetone with potassium permanganate solution or a solution of silver nitrate ammonia injection chromatography paper, glycerol stain Moving about 40cm, spots in the following consecutive glycerol is poly glycerol esters. A.3 Determination of the content of polyglycerol A.3.1 principle of the method Saponified with potassium hydroxide ethanol solution samples polyglycerol esters, fatty acid was removed by extraction. Polyol converted to trimethylsilyl Derivatives by gas chromatography polyglycerol esters of polyols. A.3.2 Reagents and materials A.3.2.1 ethanolic potassium hydroxide. c (KOH) = 1mol/L. A.3.2.2 potassium hydroxide solution. c (KOH) = 1mol/L. A.3.2.3 pyridine. Pre potassium hydroxide and dried. A.3.2.4 bis (trimethylsilyl) amine. A.3.2.5 trimethylchlorosilane. A.3.2.6 petroleum ether. boiling range 40 ℃ ~ 60 ℃. A.3.3 Instruments and Equipment A.3.3.1 gas chromatograph. equipped with a flame ionization detector. A.3.3.2 micro syringe. suitable capacity injector. A.3.4 columns and typical operating conditions The standard recommended columns and operating conditions are shown in Table A.1. The components of the peak sequence shown in Table A.2. Others can achieve the same degree of separation Chromatographic columns and the operating conditions can be used. Table A.1 Recommended chromatographic columns and operating conditions Project Parameters Column filler Containing 3% dimethicone (OV-1) of 120μm ~ 150μm diatomite carrier (DiatomiteCQ) or 120μm ~ 150μm by acid and alkali alcohol dimethyldichlorosilane treated wash hyflo (Gas chromQ) Packed column column column diameter length × 1.5m × 4mm Column temperature from 90 ℃ ~ 330 ℃ to 4 ℃/min ~ 6 ℃/min heating rate program The gasification chamber injector temperature/℃ 275 Detector temperature/℃ 350 Carrier gas (nitrogen) flow rate/(mL/min) 86 Injection volume/μL 2.0 A.3.5 Preparation of the polyol sample solution Take a sample of about 0.5g, add 20mL of potassium hydroxide in ethanol, heated under reflux for 2h. Evaporated in a nitrogen stream at 45 ℃ ~ 50 ℃ in Ethanol. Add 10mL water, acidified with hydrochloric acid to make soap class into free fatty acids. Each with 20mL petroleum ether continuously extracted from the aqueous phase Take fatty acids. The extract was washed with water, combined with 20mL of petroleum ether washings were combined with the water phase. With potassium hydroxide aqueous solution polyol Was adjusted to pH = 7.0. Evaporated under reduced pressure to a volume of 2mL ~ 3mL, extracted three times with boiling ethanol and 30mL of each. Filtered residue Stay was, ethanol was evaporated under reduced pressure until the formation of viscous liquid sample polyol. Take the polyol sample 0.1g, put in 10mL stoppered test Tube, add 0.5mL of pyridine was warmed to dissolve. Add 0.2mL bis (trimethylsilyl) amine, shake, add 0.2mL trimethylchlorosilane and then shake. 3min ~ 5min placed in a heating mantle (about 80 ℃), the polyol prepared sample solution. If there is white smoke, then the excess reagent. A.3.6 Analysis step 2.0μL sample solution injected, the peaks recorded sequence chromatograms are shown in Table A.2. An appropriate method for measuring the area of each peak, and variable attenuation Of corrected. Table A.2 each peak sequence chromatograms Peak sequence component graphics (and typical attenuation position)1 solvent overload2 Glycerin singlet (2 × 103) 3 cyclic diglycerol class single peak (2 × 103) Four pairs of glycerine singlet (32 × 103) 5 cyclic triglycerol class single peak (2 × 103) 6 triglycerol class singlet (16 × 103) 7 cyclic tetraglycerol class single peak (2 × 103) Table A.2 (continued) Peak sequence component graphics (and typical attenuation position) 8 tetraglycerol class singlet (8 × 103) 10 V. glycerine singlet (4 × 103) 10 six glycerine single peak (2 × 103) 11 seven glycerine single peak (2 × 103) 12 eight glycerine single peak (1 × 103) 13 nine glycerine only in peak tailing 12 A.3.7 Calculation Results Polyglycerol (dimer, trimer and tetramers of glycerol) mass fraction w2, according to equation (A.2) Calculated. w2 = A3 A4 A8 A3 A4 A13 × 100% (A.2) Polyglycerol (seven polyglycerol above) mass fraction w3, according to equation (A.3) Calculated. w3 = A11 A12 A13 A3 A4 A13 × 100% (A.3) Where. An (n = 3 ~ 13) --- peak in the chromatogram peak area for the serial number of the n components. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 1886.95-2015_English be delivered?Answer: Upon your order, we will start to translate GB 1886.95-2015_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB 1886.95-2015_English with my colleagues?Answer: Yes. The purchased PDF of GB 1886.95-2015_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. |