Path: Home > GB/T > Page473 > GB/T 1650-2009

Price & Delivery

US$319.00 · In stock · Download in 9 seconds
GB/T 1650-2009: Direct blue B (Direct sky blue 5B)
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure
Status: Obsolete

Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 1650-2009	English	319	Add to Cart	3 days [Need to translate]	Direct blue B (Direct sky blue 5B)
GB/T 1650-2001	English	279	Add to Cart	3 days [Need to translate]	Direct blue B (Direct sky blue 5B)
GB 1650-1982	English	199	Add to Cart	2 days [Need to translate]	Direct sky blue 5B

GB/T 1650-2009: Direct blue B (Direct sky blue 5B)

---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.
Direct blue B (Direct sky blue 5B) ICS 71.100.01; 87.060.10 G57 National Standards of People's Republic of China Replacing GB/T 1650-2001 Direct Blue B (Direct Sky Blue 5B) Posted 2009-04-24 2009-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 1650-2001 "Direct Blue B (Direct Sky Blue 5B)". This standard compared with GB/T 1650-2001 The main changes are as follows. --- Canceled the content product range of applications, increasing the range of use is not recommended (see Chapter 1); --- Increased CASRN resolution (Chapter 1 standard edition); --- Cancel the color fastness (2001 Version 3.3); --- Adjustment method for the determination of shade and intensity (5.2 standard edition, version 5.2 in 2001). The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee Dye (SAC/TC134) centralized. This standard was drafted. Shenyang Chemical Research Institute. The main drafters of this standard. Yang Zhenmei. This standard replaces the standards previously issued as follows. --- GB 1650-1979; --- GB 1650-1982; --- GB/T 1650-2001. Direct Blue B (Direct Sky Blue 5B)

1 Scope

This standard specifies the Direct Blue B (C.I. Direct Blue 15, Direct Sky Blue 5B) product requirements, sampling, test methods, inspection rules, and Marking, labeling, packaging, transportation and storage. This standard applies to Direct Blue B product quality control. As the product is disabled textile dyes in textiles and leather is not recommended Leather used. Structure. Molecular formula. C34H24N6Na4O16S4 Molecular weight. 992.80 (according to 2007 international relative atomic mass) CASRN. 2429-74-5

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. General conditions GB/T 2374-2007 Determination of dyes provisions GB/T 2381-2006 Determination of substance content of dye and dye intermediates insoluble Determination of GB/T 2383 Dye screening fineness Determination of GB/T 2386-2006 dyes and dye intermediates moisture GB/T 6678-2003 General Principles for Sampling Chemical Products

3 Requirements

3.1 Appearance. powder blue uniform. Quality 3.2 Direct Blue B shall comply with the requirements of Table 1. Table 1 Quality requirements of Direct Blue B Item Index Strength (standard product)/min 100 ± 3 Shade (with standard) Approximate ~ micro Moisture content /% ≤ 6.0 The mass fraction of water insoluble /% ≤ 0.8 Fineness (180μm aperture sieve residue amount of mass fraction) /% ≤ 5.0 ...