Shen ChangHong 
Digestion Tube, Colorimetric Tube
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Cod, TP, TN digestion tube(16mm*145mm)
Model:G1602
Shenchanghong digestion tube (16mm * 145mm) is suitable for the digestion of COD, total phosphorus and total nitrogen. It is transparent, convenient, beautiful, stable and efficient.
Product details -
COD, TP, TN, NH3N digestion colorimetric tube（16mm*110mm）
Model:G1601
Shenchanghong digestion colorimetric tube (16mm * 110mm) is applicable to the digestion of COD, total phosphorus, total nitrogen and ammonia nitrogen. It is transparent, convenient, beautiful, well coordinated and efficient.
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CODMn, inorganic salt, heavy metal colorimetric tube(25mm*95mm)
Model:G2501
Shenchanghong colorimetric tube (16mm * 110mm) is suitable for CODMn, inorganic salt and heavy metal colorimetry. It is transparent, convenient, beautiful, firm and efficient.
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