Price: Product Description Brief description of principle: In an acidic solution, trivalent chromium is oxidized by potassium permanganate to hexavalent chromium, and hexavalent chromium reacts with diphenylcarbazide to form
Price: Metal Detector 15meter Depth 1000 Meter Search Range Identifying Metal Types Accurate Locating Underground Metal Detector Feature: 1. Identifying Metal Types: Treasure finder can accurately determine the buried location
Price: Metal Detector 15meter Depth 1000 Meter Search Range Identifying Metal Types Accurate Locating Underground Metal Detector Feature: 1. Identifying Metal Types: Treasure finder can accurately determine the buried location
Price: Metal Detector 15meter Depth 1000 Meter Search Range Identifying Metal Types Accurate Locating Underground Metal Detector Feature: 1. Identifying Metal Types: Treasure finder can accurately determine the buried
Price: Specifications: MD-810: 5 Modes : A-M(all metal), DISC(discrimination), MEMORY, JEWELRY, P-P(pinpointing) Elimination function:Can eliminate metals you don’t want to detect Memory function:When you use the memory function, the detector can
Price: Features: Need to find gold & silver jewelry, coins and other metal in the ground? Try this one. With this powerful and versatile metal detector, you can hunt for
Price: Metal Detector Underground 15 Meter Depth 1000 Meter Search Range Identifying Metal Types Accurate Locating Feature: 1. Identifying Metal Types: Treasure finder can accurately determine the buried location of
