Instrument features:

1、 Excellent performance, easy operation, and complete functions

1. The detection sensitivity, accuracy, stability and other technical indicators of the instrument meet the requirements of relevant national and industry standards.

2. The instrument control panel, built-in working curve, and thermal printer design simplify user operations to the greatest extent possible, making it easy for both experts and beginners to perform various operations and quickly obtain high-quality detection data.

3. The instrument is equipped with a USB interface and supports computer online operation. Through the instrument workstation, comprehensive operations such as testing registration, project testing, inspection reports, and project settings can be achieved, and testing reports can be automatically generated. It also supports external printers.

2、 Equipped with complete sample pre-treatment equipment and consumables

1. Randomly equipped with a portable experimental equipment box, containing all sample pretreatment equipment and experimental instruments such as water bath, electronic balance, pH meter, pipette, volumetric flask, decolorization column, triangular flask, colorimetric flask, funnel, etc.

2. Randomly equipped with specialized testing kits, containing all testing reagents such as extraction solution, decolorizer, and color developer.

3. The reagents are independently packaged according to the prescribed dosage of the detection method, which is convenient to use and easy to store, with low detection costs.

3、 Provide comprehensive technical services

National leather and footwear quality inspection institutions, standardization organizations, and relevant standard drafting units provide comprehensive technical services, including training, consulting guidance, result verification, product upgrades, etc. The purpose is to enable users to quickly and systematically master the use of testing methods and instruments, ensuring accurate and reliable testing results.

Technical indicators:

1. Measurement method:

Formaldehyde: Acetylacetone colorimetric method（GB/T19941-2005）

Hexavalent chromium: diphenylcarbazide colorimetric method(GB/T22807-2008)

2. Measurement range:

Formaldehyde:0.0～125.0mg/kg

Hexavalent chromium:0.0～50.0mg/kg

3. Determination of lower limit:

Formaldehyde:5.0mg/kg

Hexavalent chromium:1.5mg/kg

4. Power Supply:220V，50/60Hz

5. Instrument size:465*280*160mm

6. Instrument weight:3.0kg

7. Operating environment:10℃～40℃

Relevant standards

1、 Method standards

GB/T 22807-2008 Leather and Fur Chemical Tests Determination of Hexavalent Chromium Content

GB/T 17593.3-2006 Textiles - Determination of heavy metals - Hexavalent chromium spectrophotometric method

SN/T 1904-2007 Determination of formaldehyde content in imported and exported leather

ISO 17226-2:2008 Chemical determination of formaldehyde content in leather

ISO 14184-1:2011 Determination of formaldehyde in textiles

GB/T 19941-2005 Leather and Fur Chemical Tests Determination of Formaldehyde Content

GB/T 2912.1-2009 Textiles - Determination of Formaldehyde

DIN EN ISO 17226-2-2009 Chemical determination of formaldehyde content in leather

NF G52-228-2-2008 Chemical determination of formaldehyde content in leather

2、 Product standard:

GB 25036 2010 Cloth covered Children's Rubber Shoes

GB/T 21536-2008 Athletics Shoes

QB/T 2955-2008 Casual Shoes

QB/T 1873-2010 Leather uppers

QB/T 4044-2010 Synthetic Leather for Protective Shoes

GB/T 22756-2008 Leather Sandals

GB/T 16799-2008 Leather for household appliances

QB/T 2880-2007 Children's Leather Shoes

QB/T 4119-2010 Polyurethane synthetic leather for shoe lining

QB/T 2703-2005 Leather for Automotive Decoration

3、 Hygiene and environmental standards:

GB 20400-2006 Limits of Harmful Substances in Leather and Fur

GB 25038-2010 Technical Specification for Health and Safety of Rubber Shoes

HJ 507-2009 Technical Requirements for Environmental Labeling Products Leather and Synthetic Leather

HJ/T 305-2006 Environmental Labeling Product Technical Requirements Footwear

SN/T 1622-2005 Technical Requirements for Testing of Import and Export Ecological Textiles

GB 18401-2003 National Basic Safety Technical Specification for Textile Products

GB/T 18885-2009 Technical Requirements for Ecological Textiles

HJ 569-2010 Environmental Labeling Product Technical Requirements for Luggage and Bags

HJ/T 307-2006 Environmental Labeling Product Technical Requirements Ecological Textiles