Skeleton Model

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Feature: Perfect Quality: Made of ABS+ aluminum and iron, this water quality tester is small and light, strong and durable. […]

Material: PVC Size: 12 x 12 x 23cm Color: As the picture showsFeatures: This is ideal for teaching and studying […]

It's not only ideal for household or laboratory use, also suitable for testing pH balance of drinking water, pool, aquarium, […]

– This is ideal for teaching and studying by doctors or other medical professionals. – This flexible hip joint demonstrates […]

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Descriptions: Similar in use to a brewing hydrometer, but measures in a different range 0-alcohol. The use of an alcoholmeter […]

Features: 1. 17 in 1 Water Test: The test items include PH, residual chlorine, total chlorine, hardness, total alkali, copper, iron, E. coli, etc. 17 items. Water quick test provides results in a matter of seconds. 2. Health: Test strips are suitable for drinking water, aquarium, fish tank, swimming pool and spa, industrial water, pond, hot spring water testing 3. Professional: High quality water tester with precise colour coordination and high sensitivity. Use professional health drinking water  test strips to test water quality standards. 4. Easy to Use: Dip the drinking water test paper into the water for 2 seconds, hold it in the air for about 1min, then adjust the color of the bottle back to get the reading. 5. Easy to Carry: 100 pieces,water quality should be tested weekly, Drinking water test strips are easy to handle even for beginners. Specifications: Accuracy: 96Quantity: 100pcsMaterial: PETCertification:  CE, ISOAdvantages: ability to resist VC interferenceScope of application: suitable for testing drinking water, aquariums,  fish tanks, swimming pools and spas, industrial water, ponds, hot spring water, etc. 17 tests: total alkali, nitrate, nitrite, PH, residual chlorine, total chlorine, hardness, calcium, VC, bromine, chromium, lead, iron, fluorine, carbonate, cyanuric acid plus E. coli Testing method: 1. Immerse the reaction area of the test strip in the solution to be tested for 12 seconds, remove the test strip, and shake off the excess  water on it. 2. After 1 minute, compare the color of the reaction area of the test strip with the color chart to determine the test value of the solution to be tested. 3. The colorimetric time should be controlled at about 1min, too long or too short will affect the reading. Notes: 1. Do not touch the test area of the reagent strip.2. After removing the test strips, store the remaining test strips in a sealed and dark place.3. The liquid to be tested should be kept as colorless or light-colored as possible. […]

Notice: This product only has a Chinese manual, if you mind, please don't buy it! Thank you for you understand! Of […]

Description: This model is a wood-based model for learning the anatomy of the skull. It shows in detail the most […]

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Category: Skeleton Spine Size: 45cm 45CM human color spine model with cervical carotid artery, cervical vertebrae Thoracic vertebrae, lumbar vertebrae, […]

Type: fox skull size: 7.5 x 7 x 14.5cm material: resin

45CM 85cm Human Skeleton Model Anatomical Anatomy human Flexible Medical anatomical boneco toy in medical science supplies

Hand Joint Anatomical Skeleton Model Human Medical Anatomy Study Tool Life Size  Features: 1. It includes the wrist, metacarpal and […]

Human Spine Bone Skeleton Model 45cm Sitting Posture Model Medical Science Teaching Supplies Humans Skeleton Model Spine Models Size: 45cm […]

Specification:22cm x 13cm x 3cm Meterial:Top quality PVC Description: Finger can be bent and do various poses. Model and human […]

Specification:45cm x 13cm x 13cm Meterial:Top quality PVC  

Material: PVC Size: 12 x 11 x 20cm The model shows the pathological anatomical model of the tooth. The anatomy […]

DM USB2.0 Female to Type C Male Port OTG Micro Charging Adapter Connector Convertor for Mac Huawei Xiaomi LG Sony […]

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new high quality Material : PVC Color: As the picture shows Have good teaching and demonstration assistant Applicable for schools, […]

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