LY/T 3151-2019 in English
VALIDComposition cork for shoe outsoles
- Issued on:2019-10-23
- Implemented on:2020-04-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
Price(USD)：
$160.00
$156.00
$156.00
| Standard No: | LY/T 3151-2019 |
| Document status: | VALID |
| Title in English: | Composition cork for shoe outsoles |
| Title in Chinese: | 皂荚皂苷 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2019-10-23 |
| Implemented on: | 2020-04-01 |
| ICS Classification: | 65.020.99-Other standards related to farming and forestry |
| Chinese Classification: | B72-Forestry chemical raw material |
| Professional Classification: | LY-Forestry |
| Related Keywords: | saponins detection method total saponin content
shoe outsoles introduction analysis composition cork standard technical indicators ordinary saponins quality control water control |
| Related Topics: | saponins
Saponin ion Lao soap film Pod rot Thymidine sugar cane machine Saponin Mass Spectrometry film saponin soap Total saponin detection soap dispenser Saponin method glycosides Saponin UV Glycosides Harvesting acacia Soap 2485 2023 Ginsenoside aPPD Total saponin mass saponin ly/t 3151-2019 |
Introduction
Analysis of the core content of the standard
| Technical indicators | Ordinary saponins | Refined saponins | Detection method |
|---|---|---|---|
| Total saponin content | ≥45% | ≥70% | Spectrophotometry (Appendix A.2) |
| Critical micelle concentration | 260-300mg/L | 220-270mg/L | GB/T 11276 |
| Foam performance | ≥110mm | ≥125mm | Ross-Miles method |
Detailed explanation of key detection technology
1. Determination of total saponin content
The vanillin-sulfuric acid colorimetric method was used, and the spectrophotometer was used for determination at a wavelength of 462nm. The standard curve requires R²＞0.999, and the allowable error of parallel determination is ≤2%. Calculation formula:
Total saponin content = [(aX+b)×V×N]/[m₀×(1-w%)]×100%
Key points for standard implementation
1. Key points for quality control
- Water control: Ordinary type ≤8%, refined type ≤7% (GB5009.3)
- pH range: 4.5-7.0 (1% aqueous solution)
- Water-insoluble matter content: Ordinary type ≤1.2%, refined type ≤0.8%
Suggestions for industry development
It is recommended that manufacturers focus on:
- Establish a standard material system for saponin quality control products
- Optimize the extraction process to improve the yield of total saponins
- Development of application solutions based on critical micelle concentration
Sample only — not a preview of LY/T 3151-2019
Loading PDF document...
Error loading PDF. Please make sure the file is valid and try again.
We also recommend
-
LY/T 2075-2012 in English
Lac wax
2012-02-23 -
LY/T 3152-2019 in English
Sapindus mukurossi Saponin
2019-10-23 -
LY/T 3015-2018 in English
Tara powder
2018-12-29 -
LY/T 3282-2021 in English
Tara polysaccharide gum
2021-06-30 -
LY/T 2390-2014 in English
Gleditsia microphylla polysaccharide gum
2014-08-21
