Английская армейская камуфляжная Военная тренировочная форма, Боевая охотничья форма
15,80 $ - 24,00 $
Многофункциональная тестовая бумага PH с значением 1 14
- Категория: >>>
- Поставщик: Jiangsu Yida Teaching Equipment Co. Ltd.
Сохранить в закладки 1600305848373:
Описание и отзывы
Характеристики
Product Description
Method of application
1. Open the exposed paper strips in the test paper packaging bag. The paper is pH test paper, and there are 1-14 color cards on the surface of the box body, which are pH standard color cards;
2. Take out the test paper and put it flat on the dry glass or plastic sheet (note: the glass or plastic sheet must be dry and clean);
3. Take the solution to be measured with a glass rod or straw and drop it on one end of the test paper;
4. After one second, the solution part of the examination paper will change color with the examination paper. At this time, compare with the standard color card and read out the pH value. The smaller the pH value, the stronger the acidity of the solution. When the pH value is 7, the solution is neutral. The higher the pH value, the stronger the alkalinity of the solution.
2. Take out the test paper and put it flat on the dry glass or plastic sheet (note: the glass or plastic sheet must be dry and clean);
3. Take the solution to be measured with a glass rod or straw and drop it on one end of the test paper;
4. After one second, the solution part of the examination paper will change color with the examination paper. At this time, compare with the standard color card and read out the pH value. The smaller the pH value, the stronger the acidity of the solution. When the pH value is 7, the solution is neutral. The higher the pH value, the stronger the alkalinity of the solution.
Specification
item | value |
Place of Origin | China |
Jiangsu | |
Brand Name | YIDA |
Model Number | YIDA258 |
Product name | PH Test Strips |
Usage | PH Testing |
Function | Mesuring |
Application | Widely |
Measuring range | 1~14pH |
Speicification | 80 sheets/bag |
Color | Picture |
Feature | Easy |
Quality | High Standard |
Company Profile
Jiangsu Yida Teaching Equipment Co., Ltd. is a professional enterprise integrating R&D, production, sales, installation, and debugging services of elementary school teaching equipment. The company has a registered capital of 56.69 million yuan. Our company is a member unit of China Educational Equipment Industry Association and Jiangsu Educational Equipment Industry Association, and has taken the lead in passing ISO9001-2008 quality management system certification, ISO14001-2004 environmental management system certification, and GB/T28001-2001 occupational health and safety management system certification .The company originated in the 1980s. After more than 30 years of unremitting efforts and pursuit of Yida people, our company has developed into an excellent enterprise with strong technical force, complete production equipment and perfect after-sales service. The company's products are sold all over the country, and have won unanimous praise from users with complete varieties, high quality, on-time delivery and perfect after-sales service, and have successively won many honors awarded by relevant national, provincial and municipal departments.Over the years, the company has been adhering to the business philosophy of "quality first, customer first", in the pursuit of product quality excellence, abide by a serious and practical work style, and continue to serve the education cause.
Our Advantages
Certifications
Packing & Delivery
Main Market
FAQ
1. Who are we?
We are based in Jiangsu, China, start from 2003. There are total about 11-50 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. What can you buy from us?
Instrument Cabinet,Experiment Platform,Educational Equipment.
4. Why should you buy from us not from other suppliers?
We have 15 years of design and development experience.Enterprises value talents, cultivate talents, and retain talents.Our company has a brand with extensive influence and good reputation.
5. What services can we provide?
Accepted Delivery Terms: null；
Accepted Payment Currency:null;
Accepted Payment Type: null;
Language Spoken:null
We are based in Jiangsu, China, start from 2003. There are total about 11-50 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3. What can you buy from us?
Instrument Cabinet,Experiment Platform,Educational Equipment.
4. Why should you buy from us not from other suppliers?
We have 15 years of design and development experience.Enterprises value talents, cultivate talents, and retain talents.Our company has a brand with extensive influence and good reputation.
5. What services can we provide?
Accepted Delivery Terms: null；
Accepted Payment Currency:null;
Accepted Payment Type: null;
Language Spoken:null
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