GB/T 1664-1995 PDF EnglishUS$80.00 · In stock · Download in 9 seconds
GB/T 1664-1995: Plasticizers - Determination of colour Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure GB/T 1664: Historical versions
Similar standardsGB/T 1664-1995: Plasticizers - Determination of colour---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/GBT1664-1995GB UDC 678.049.535.65 G 70 National Standard of the People’s Republic of China Replacing GB 1664-81 GB 1673-81 Plasticizers – Determination of colour Issued on: JANUARY 12, 1995 Implemented on: OCTOBER 1, 1995 Issued by. State Technical Supervision Bureau Table of Contents1 Subject contents and applicable scope ... 3 2 Principle... 3 3 Definition ... 3 4 Reagents ... 3 5 Instruments ... 3 6 Analysis steps ... 5 7 Allowable error ... 6 Additional information... 7 Plasticizers – Determination of colour This Standard equivalently adopts the international standard ISO 2211.1973 “Liquid chemical products – Measurement of colour in Hazen units (platinum- cobalt scale)”.1 Subject contents and applicable scopeThis Standard specifies the colour determination method of plasticizers. This Standard applies to the plasticizers, including phthalate esters, sebacic acid esters, adipic acid esters, triphenyl phosphate, tricresyl phosphate, chlorinated paraffin-52, and other transparent liquid.2 PrincipleUSE visual method to compare the sample colour with the standard colour. EXPRESS the results in unit of “platinum-cobalt colour”.3 DefinitionUnit of platinum-cobalt colour. The solution colour refers to the colour shown when there are 1mg of platinum in the form of chloroplatinic acid and 2mg of cobalt chloride hexahydrate in per liter of solution.4 Reagents4.1 Cobalt chloride (GB/T 1270). CoCl2 • 6H2O, analytical reagent; 4.2 Potassium chloroplatinate. Analytical reagent; 4.3 Hydrochloric acid (GB/T 622). Analytical reagent; 4.4 Distilled water. Redistilled water.5 Instruments5.1 Colorimetric tube. 100mL and 50mL colorless colorimetric tubes with ground-glass stoppers. Additional information. This Standard was proposed by the Ministry of Chemical Industry of the People’s Republic of China. This Standard shall be under the jurisdiction of the Shanxi Chemical Research Institute. The responsible drafting organization of this Standard is Shanxi Chemical Research Institute. The main drafter of this Standard is Zou Zhiwen. ......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/T 1664-1995 be delivered?Answer: The full copy PDF of English version of GB/T 1664-1995 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/T 1664-1995_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 1664-1995_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/T 1664-1995 -- 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.Question 5: Should I purchase the latest version GB/T 1664-1995?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 1664-1995 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.How to buy and download a true PDF of English version of GB/T 1664-1995?A step-by-step guide to download PDF of GB/T 1664-1995_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/T 1664-1995". 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 |
