Water quality bacteria Escherichia coli colloidal gold detection domestic water sewage tap water industrial wastewater detection 0.00 sold.70,531 so'm
Xinhua 132 ℃ Pressure Steam Sterilization Chemical Indicator Card 121 ℃ High Pressure Chemical Indicator Card 200 Pieces/Box 0.040 sold.51,723 so'm
A generation of hair ring kai calcium (magnesium) hardness determination kit mineral water condensate boiler water quality rapid inspection 0.00 sold.521,929 so'm
Haijing total alkalinity test paper 0-40-80-120-180-240-400mg/L100 times/box postage 0.01 sold.1,025,050 so'm
3M1250 Indicator Card Pressure SteaM Sterilization Package CheMical Indicator Card 3M Sterilization Indicator Card 250pcs/box 0.00 sold.728,820 so'm
AS ONE/Azov pH Test Paper 1~14pH Acid and Alkali Determination Laboratory Scientific Research Solid Gas Determination 0.00 sold.338,549 so'm
Hydrogen Peroxide Water Detection Test Strip Hydrogen Peroxide Quick Measuring Residue Concentration Analysis Detector 0.00 sold.846,371 so'm
Huankai Beryllium Determination Kit Surface Water Groundwater Electroplating Water Water Sample Water Quality Rapid Detection Analysis 5.00 sold.888,690 so'm
Shandong Xinhua brand pressure steam sterilization 1 hour rapid biological indicator B1323 30 a box 0.00 sold.4,703 so'm
Shandong Xinhua pressure steam sterilization crawling chemical indicator card IB1001 Shandong Xinhua crawling card 0.00 sold.4,703 so'm
Lu Heng Biological Chloride Ion Determination Kit 20-400mg/l Titration Rapid Determination Factory Direct Wholesale 5.00 sold.592,460 so'm
Shandong Xinhua Brand 134 ℃ Pressure Steam Sterilization Indicator Card 134 ℃ High Pressure Sterilization Chemical Indicator Card 4.817 sold.51,723 so'm
Merck Milliber pH Indicator Strip pH 0-14 General Indicator Strip 1.09535.0001 0.00 sold.987,627 so'm
Wholesale spot PH test paper manufacturers supply full English version to test pH ph test paper school students 0.00 sold.131,658 so'm
Haijing total chlorine test paper 0-0.1-0.5-1-3-5-7-10-20mg/L100 times/box postage sewage 5.03 sold.648,885 so'm
Haijing residual chlorine test paper 0-0.1-0.5-1-3-5-7-10-20mg/L00 times/total residual chlorine in waste water 5.01 sold.648,885 so'm
Haijing Total Nitrogen TN Rapid Test Kit 0-1-2-5-10-20mg/L50 Colorimetric Tube Test Kit 0.00 sold.1,021,980 so'm
Haijing total phosphorus rapid detection package is calculated as p: 0.02-0.05-0.1-0.2-0.5-1mg/L phosphate salt 0.00 sold.1,021,980 so'm
Lu Heng Biological Phosphorus Determination Kit 0.05-1mg/l 25 Times/Box River Total Phosphorus Rapid Detection Box Wholesale 5.00 sold.432,590 so'm
Haijing COD Rapid Detection Package 0-10-100-500-1000-2000-10000mg/L100 Times Box Postage 0.00 sold.1,021,980 so'm
Hydrogen peroxide hydrogen peroxide residue detection test paper food water quality environmental detection 0-25mg/L 5.00 sold.61,127 so'm
Lu Heng Bio-volatile Phenol Detection Kit 0-5mg/l Water Quality Rapid Determination Box Factory Wholesale 50 Times/Box 5.01 sold.968,625 so'm
Haijing total chlorine test paper 0-0.1-0.5-1-3-5-10mg/L100 times/box total residual chlorine of postage sewage 0.00 sold.648,885 so'm
Haijing ammonia nitrogen test paper 0-5-10-25-50-100-200-400mg/L100 times to measure domestic sewage 0.00 sold.1,025,050 so'm
Haijing ammonia nitrogen test paper 0-10-20-40-60-100-250-500-1000mg/L100 times \box 5.00 sold.1,025,050 so'm
3M Pressure SteAM SterilizAtion PAckAge CheMicAl IndicAtor CArd, CrAwling Type, 1243A Free Shipping 0.00 sold.1,717,612 so'm
Shandong Xinhua Sterilized Sealing Tape Sterilized Sealing Tape One Roll Free Shipping TjLlCYXWU9 0.00 sold.70,531 so'm
50 Anjie M-2 Type Tantalum Subdehyde Concentration Test Cards, Tantalum Subdehyde Disinfectant Concentration Indicator Card Test Paper 0.00 sold.376,165 so'm
Buchner funnel PP suction filter funnel plastic filter paper filter funnel 60mm75mm105mm130mm175mm 0.012 sold.61,127 so'm
Lu Heng Soft Water Hardness Test Paper Dialysis Printing and Dyeing Hospital Sewage Boiler Water Calcium Magnesium Ion Test Kit 0.00 sold.1,580,204 so'm