HOME   Cart(0)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189759 (19 Oct 2025)

GB 1886.6-2016 English PDF

US$179.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 1886.6-2016: Food additive -- Calcium sulfate
Status: Valid
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB 1886.6-2016English179 Add to Cart 3 days [Need to translate] Food additive -- Calcium sulfate Valid GB 1886.6-2016

PDF similar to GB 1886.6-2016


Standard similar to GB 1886.6-2016

GB 1886.228   GB 1886.223   GB 1886.9   GB 1886.3   GB 1886.1   GB 1886.4   

Basic data

Standard ID GB 1886.6-2016 (GB1886.6-2016)
Description (Translated English) Food additive -- Calcium sulfate
Sector / Industry National Standard
Classification of Chinese Standard X42
Word Count Estimation 9,990
Date of Issue 2016-08-31
Date of Implementation 2017-01-01
Older Standard (superseded by this standard) GB 1892-2007
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 1886.6-2016: Food additive -- Calcium sulfate

---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 - Calcium sulfate) National Standards of People's Republic of China National Food Safety Standard Food additive calcium sulfate Issued on.2016-08-31 2017-01-01 implementation People's Republic of China National Health and Family Planning Commission released

Foreword

This standard replaces GB 1892-2007 "food additive calcium sulfate." This standard compared with GB 1892-2007, the main changes are as follows. --- Standard name was changed to "national food safety standards for food additives calcium sulfate." National Food Safety Standard Food additive calcium sulfate

1 Scope

This standard applies to food additives, natural gypsum calcium sulfate impurity after preparation.

2 molecular formula and relative molecular mass

Formula 2.1 Anhydrous calcium sulfate CaSO4 Calcium sulfate dihydrate CaSO4 · 2H2O 2.2 relative molecular mass Anhydrous calcium sulfate CaSO4. 136.14 (according to 2007 international relative atomic mass) Calcium sulfate dihydrate CaSO4 · 2H2O. 172.14 (according to 2007 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 the right amount of sample is placed in a clean, dry white porcelain dish, under natural light, observe its color and status 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 project index Anhydrous calcium sulfate (CaSO4) Calcium sulfate dihydrate (CaSO4 · 2H2O) Testing method Calcium sulfate (CaSO4) (dry basis), w /% ≥ 98.0 98.0 Appendix A A.4 Lead (Pb)/(mg/kg) ≤ 2.0 2.0 GB 5009.12 Arsenic (As)/(mg/kg) ≤ 2.0 2.0 GB 5009.76 Fluoride (F), w /% ≤ 0.005 0.003 A.5 Appendix A Selenium (Se), w /% ≤ 0.003 0.003 Appendix A A.6 Loss on drying, w /% ≤1.5 19.0 ~ 23.0 Appendix A A.7

Appendix A

Testing method A.1 Safety Tips Reagents used in this test method are toxic or corrosive, care should be taken. Such as water splashed on the skin should immediately Flushing, severe cases should be treated immediately. A.2 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 The required standard solution, impurity 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 the preparation. Solution was used in the tests did not indicate what is formulated with solvent, it refers to an aqueous solution. A.3 Identification Test A.3.1 Reagents and materials A.3.1.1 hydrochloric acid. A.3.1.2 ammonium oxalate. A.3.1.3 glacial acetic acid. A.3.1.4 nitrate. A.3.1.5 barium chloride solution. 100g/L. A.3.1.6 Lead acetate solution. 100g/L, dropping ice acetic acid solution is clarified. A.3.1.7 ammonium acetate solution. 100g/L. A.3.1.8 ammonia solution. 23. A.3.2 character identification method Sample Weigh about 2g, ± 2 ℃ drying 20min at 140 ℃, add 1.5mL of water was stirred, placed 5min, was sticky solid. A.3.3 Identification of calcium Weigh 0.2g sample plus 10mL hydrochloric acid, dissolved by heating the sample solution as A. A proper amount of sample solution added ammonia was adjusted to a base Sex, plus ammonium oxalate solution which occurred in a white precipitate, this precipitate was dissolved in hydrochloric acid, but does not dissolve in acetic acid. A.3.4 Identification of Sulfate Take sample solution A, plus barium chloride solution a white precipitate which happened, not dissolved in hydrochloric acid or nitric acid. A.4 calcium sulfate (CaSO4) (dry basis) of the Determination A.4.1 Method summary Triethanolamine masking with a small amount of trivalent iron, trivalent aluminum and divalent manganese ions at a pH of 12.5, the calcium reagent indicator, Disodium edetate calcium titrate. A.4.2 Reagents and materials A.4.2.1 hydrochloric acid solution. 23. A.4.2.2 methyl red indicator solution. 0.1% ethanol solution. A.4.2.3 potassium hydroxide solution. 100g/L. A.4.2.4 triethanolamine solution. chemically pure, 23. A.4.2.5 calcium reagent. Weigh 10g at 105 ℃ ~ 108 ℃ under dry sodium chloride in a mortar finely 2h, and then weighed 0.1g calcium acid Reagent in the same mortar mix with sodium chloride, stored in a brown bottle lid. Placed on a silica gel drier save. A.4.2.6 disodium EDTA standard titration solution. c (EDTA) ≈0.05mol/L. A.4.3 Analysis step It weighs about 0.1g previously dried to a constant mass of the sample 250 ℃ ± 5 ℃, accurate to 0.0002g, placed in 300mL flasks , Add 4mL hydrochloric acid solution, add 20mL water, dissolved by heating. Add 1 drop of methyl red indicator solution, potassium hydroxide solution dropwise until the solution was orange Color, and excess 5mL. Add 10mL triethanolamine and a small amount of calcium reagent solution with disodium edetate standard titration solution titration to dissolve Liquid from the wine red to pure blue. A.4.4 Calculation Results Calcium sulfate (CaSO4) (dry basis) of the mass fraction w1, according to equation (A.1) Calculated. w1 = c × V × M m × 1000 × 100% (A.1) Where. Concentration c --- disodium edetate standard titration solution, expressed in moles per liter (mol/L); Volume V --- titration consumed disodium edetate standard titration solution, in milliliters (mL); --- The M molar mass of calcium sulfate, in units of grams per mole (g/mol), [M (CaSO4) = 136.1]; M --- the quality of the sample, in grams (g); 1000 --- conversion factor. The results parallel arithmetic mean of the measurement results shall prevail. In two independent determination results obtained under repeatability conditions absolute difference Not more than 0.2%. A.5 fluoride (F) is measured A.5.1 Method summary In perchloric acid medium, by steam distillation sample isolated from fluorine, fluorine and Alizarin and lanthanum nitrate mixture formed blue Complex color, the color of the test solution with the standard for comparison. A.5.2 Reagents and materials A.5.2.1 perchloric acid. A.5.2.2 silver nitrate solution. 17g/L. A.5.2.3 glacial acetic acid. 116. A.5.2.4 sodium acetate solution. 250g/L. A.5.2.5 phenolphthalein indicator solution. 10g/L. A.5.2.6 acetone. A.5.2.7 glass beads. A.5.2.8 sodium hydroxide solution. 40g/L. A.5.2.9 hydrochloric acid solution. 110. A.5.2.10 Alizarin. Weigh 0.1925g Alizarin, add a small amount of water and sodium hydroxide solution to dissolve. plus 0.125g of sodium acetate, pH of the solution was adjusted with glacial acetic acid solution was 5.0 (at this red solution), diluted with water to 500mL shake in a refrigerator Saved. When precipitation occurs, it should be re-prepared. A.5.2.11 lanthanum nitrate solution. Weigh 0.2165g lanthanum nitrate, dissolved in a small amount of glacial acetic acid, add water to 450mL, sodium acetate solution Adjusted to pH 5.0 (with a precision pH test paper test), diluted with water to 500mL, stored in a refrigerator. After re-prepared mildew. A.5.2.12 buffer solution. Weigh 44g of sodium acetate dissolved in 400mL of water, add 22mL glacial acetic acid, acetic acid and then adjusted to pH of the solution drops ice 4.7 (with a precision pH test paper test), then diluted with water to 500mL. A.5.2.13 fluoride standard solution. 1mL solution of fluorine (F) 0.01mg. Pipette Pipette 10.0mL fluoride standard solution (0.1g/L), placed in 100mL flask, diluted with water to the mark. A.5.3 Instruments and Equipment Measuring fluorine distillation unit. Figure A.1. Explanation. 1 --- steam generator (1000mL flask); 2 --- Safety Management (φ5mm); 3 --- glass (φ5mm); 4 --- rubber stopper; 5 --- tee and screw clamp; 6 --- thermometer (200 ℃); 7 --- three-necked flask (250mL); 8,10 --- glass bends; . 9 --- straight condenser (500mm); ---. 11 flask (250mL); 12 --- jacket or electric heating; 13,14 --- rubber stopper. Figure A.1 Schematic diagram of measuring fluorine A.5.4 Analysis step Weigh 2.00g ± 0.01g sample was placed in 250mL three-necked flask (see Figure A.1), plus 10 to 20 glass beads. Slowly add 10mL of perchloric acid, with about 8mL water rinse bottle wall, add 3 drops to 5 drops of silver nitrate solution. Thermometer on the cork should Mesa, and the mercury ball Insert the test solution. Connect the steam generator and straight condenser, a condenser connected to the ends of the glass pipe, elbow and insert Sheng There 10mL0.1mol/L sodium hydroxide solution and 2 drops of phenolphthalein indicator solution of 250mL volumetric flask. Steam generator plus 500mL Water, was added dropwise 1mol/L sodium hydroxide solution to make the solution alkaline. Open the screw clamp and heated to near boiling. Close screw clamp, will pass into vapor Three-necked flask. Three-neck flask while heating, and adjust the amount of water vapor entering, after rising the temperature maintained at between 135 ℃ ~ 140 ℃. Such as If the flask was fading, supplemented with an appropriate amount of 0.1mol/L sodium hydroxide solution, until the distillate of about 200mL, distillation was stopped and shake. With 0.1mol/L sodium hydroxide solution or hydrochloric acid solution was adjusted to pH 7.0, then add 2 drops of hydrochloric acid solution, add water to the mark. Remove the shift into 50mL 25mL Nessler colorimetric tube, add 5mL Alizarin, 3mL buffer, mixing, slowly add 5mL Lanthanum nitrate, shaking, then added 10mL of acetone, water was added to 5mL, room temperature for 20min. Compared with the standard comparison solution, its blue No deeper than the standard solution. Standard solution is to take a certain amount of fluoride standard solution, sample solution and simultaneously treated in the same comparison. Determination of anhydrous calcium sulfate content to take 1mL fluoride standard solution; the determination of calcium sulphate dihydrate content take 0.6mL fluoride standard solution. A.6 selenium (Se) Determination A.6.1 Method summary Centrifugal extraction with cyclohexane to remove traces of water, measured absorbance values in the extract with a spectrophotometer at 380nm. A.6.2 Reagents and materials A.6.2.1 cyclohexane. A.6.2.2 hydrochloric acid solution. 15. A.6.2.3 hydrochloric acid solution. 25. A.6.2.4 ammonia solution. 13. A.6.2.5 2,3- diaminonaphthalene solution. Weigh 0.1g2,3- diaminonaphthalene solution and 0.5g of hydroxylamine hydrochloride was dissolved in 100mL of hydrochloric acid solution [C (HCl) = 0.1mol/L] in. A.6.2.6 selenium standard solution. 1mL solution of selenium (Se) 1μg. Pipette 1.00mL selenium standard solution (0.1g/L), placed in 100mL capacity Volumetric flask, dilute to the mark, shake. A.6.2.7 precision pH test paper. 0.5 to 5.0. A.6.3 Analysis step A.6.3.1 Preparation of standard solutions Pipette 6.0mL selenium standard solution, placed in 150mL beaker, was added 50mL of hydrochloric acid solution (15), and mix. A.6.3.2 Preparation of sample solution Weigh 0.20g ± 0.01g sample was placed in 150mL beaker, was added 25mL of hydrochloric acid solution (25) was dissolved. If necessary, while stirring Mix was heated to boiling and steaming on a steam bath for 15min, cooled to room temperature. Add water to 50mL. A.6.3.3 Preparation of blank solution In 150mL beaker, 50mL hydrochloric acid solution (15) as the blank solution. A.6.4 Extraction In the standard solution, sample solution and a blank solution were carefully added aqueous ammonia solution 5mL, shake, cooling. Then were dropping ammonia Respective solutions in the solution pH≈2.0 (using precise pH test paper), water was added to 60mL. They were transferred to a separatory funnel, and add water to about 80mL. And then were added 0.2g of hydroxylamine hydrochloride, shake to dissolve immediately added 5.0mL2,3- diaminonaphthalene solution stoppered and shaken stopper Mixed and allowed to stand 100min. Then were added 5.0mL cyclohexane, shake vigorously 2min, place stratification. The organic phase was separated by centrifugation After traces of water used for absorbance measurement. A.6.5 measured absorbance The organic phase was transferred to a 1cm cuvette at 380nm wavelength measured absorbance. A.6.6 result of determination The organic phase absorbance of the sample solution is not greater than the absorbance of the standard solution of the organic phase. A.7 Determination of loss on drying A.7.1 Method summary The sample was dried at 250 ℃ to constant quality, reduce the amount of comparative samples before and after drying, the calculation to determine the loss on drying. A.7.2 Instruments and Equipment High-temperature furnace. 250 ℃ ± 5 ℃. A.7.3 Analysis step It weighs about 10g or about 5g of anhydrous calcium sulfate, calcium sulfate dihydrate, accurate to 0.01g, placed beforehand at 250 ℃ ± 5 ℃ drying to Constant quality porcelain crucible, in a high temperature oven 250 ℃ ± 5 ℃ in drying to constant mass, placed in the dryer to cool after removing weighed. A.7.4 Calculation Results Loss on drying mass fraction w2, according to equation (A.2) Calculated. w2 = m5-m6 m4 × 100% (A.2) Where. Quality m5 --- sample before drying and weighing bottles in grams (g); Quality m6 --- dried specimen and weighing bottles in grams (g); m4 --- sample mass, in grams (g). Take the arithmetic mean of the parallel determination results of the measurement results, the results of two parallel determination of the absolute difference is not more than 0.05%.

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB 1886.6-2016_English be delivered?

Answer: Upon your order, we will start to translate GB 1886.6-2016_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 1886.6-2016_English with my colleagues?

Answer: Yes. The purchased PDF of GB 1886.6-2016_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+ countries

Question 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 [email protected]. 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.