GB 5009.234-2016 PDF EnglishUS$70.00 · In stock · Download in 9 seconds
GB 5009.234-2016: Method for analysis of hygienic standard of soybean sauce Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB 5009.234-2016: Method for analysis of hygienic standard of soybean sauce---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB5009.234-2016GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA National Food Safety Standard - Determination of Ammonium Salt in Foods ISSUED ON: AUGUST 31, 2016 IMPLEMENTED ON: MARCH 01, 2017 Issued by: National Health and Family Planning Commission of the PRC Table of ContentsForeword ...3 1 Scope ...4 2 Principle ...4 3 Reagents and materials ...4 4 Instruments and apparatuses ...5 5 Analysis steps ...5 6 Description of the analysis result ...5 7 Precision ...6 8 Others ...6 National Food Safety Standard - Determination of Ammonium Salt in Foods1 ScopeThis Standard specifies the method for determination of ammonium salt in soy sauce. This Standard applies to the determination of ammonium salt in soy sauce.2 PrincipleHeat and distill the sample in the alkaline solution to free the ammonia, which is absorbed by the boric acid solution; then use hydrochloric acid standard solution to titrate and calculate the content.3 Reagents and materials3.1 Reagents Unless otherwise specified, all the reagents in this method are analytical reagents, the water is grade-1 water that is specified by GB/T 6682. 3.1.1 Magnesium oxide (MgO). 3.1.2 Boric acid (H3BO3). 3.1.3 Methyl red (C15H15N3O2). 3.1.4 Bromocresol green (C15H14Br4O5S). 3.1.5 Ethanol (C2H5OH). 3.2 Preparation of reagents 3.2.1 Boric acid solution (20 g/L): weigh 20.0 g of boric acid; add water to dissolve; dilute to 1 000 mL. 3.2.2 Hydrochloric acid standard titration solution [c(HCl)] = 0.100 mol/L. 3.2.3 Mixing indicator solution: 1 part of methyl red-ethanol solution (2 g/L) and 5 parts of bromocresol green-ethanol solution (2 g/L); prepare when it is needed. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB 5009.234-2016 be delivered?Answer: The full copy PDF of English version of GB 5009.234-2016 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB 5009.234-2016_English with my colleagues?Answer: Yes. The purchased PDF of GB 5009.234-2016_English will be deemed to be sold to your employer/organization who actually paid 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. www.ChineseStandard.us -- GB 5009.234-2016 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.How to buy and download a true PDF of English version of GB 5009.234-2016?A step-by-step guide to download PDF of GB 5009.234-2016_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).Step 2: Search keyword "GB 5009.234-2016". Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart. Step 4: Select payment option (Via payment agents Stripe or PayPal). Step 5: Customize Tax Invoice -- Fill up your email etc. Step 6: Click "Checkout". Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively. Step 8: Optional -- Go to download PDF. Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice. See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9 |
