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Tag Archives: Total Hardness

กระดาษทดสอบความกระด้างทั้งหมด ( 3 – 21°d )

110029  Total Hardness Test The total hardness test can be used to measure water hardness. Water hardness is caused by the presence of alkaline earths, primarily calcium and magnesium. Total hardness is measured as the sum of all calcium and magnesium ions. Read More »

กระดาษทดสอบความกระด้างทั้งหมด ( 5 – 25°D )

110047  Total hardness Test The total hardness test can be used to measure water hardness. Water hardness is caused by the presence of alkaline earths, primarily calcium and magnesium. Total hardness is measured as the sum of all calcium and magnesium ions. Read More »

กระดาษทดสอบความกระด้างทั้งหมด ( 3 – 21°d )

110032  Total Hardness Test The total hardness test can be used to measure water hardness. Water hardness is caused by the presence of alkaline earths, primarily calcium and magnesium. Total hardness is measured as the sum of all calcium and magnesium ions. Read More »

กระดาษทดสอบความกระด้างทั้งหมด ( 5 – 25°d )

110046  Total Hardness Test The total hardness test can be used to measure water hardness. Water hardness is caused by the presence of alkaline earths, primarily calcium and magnesium. Total hardness is measured as the sum of all calcium and magnesium ions. Read More »

กระดาษทดสอบความกระด้างทั้งหมด ( 3 – 21°d )

110025  Total Hardness Test The total hardness test can be used to measure water hardness. Water hardness is caused by the presence of alkaline earths, primarily calcium and magnesium. Total hardness is measured as the sum of all calcium and magnesium ions. Read More »

กระดาษทดสอบความกระด้างทั้งหมด ( <1.5 - < 2.5 mmol/l )

117934  Total Hardness Test The total hardness test can be used to measure water hardness. Water hardness is caused by the presence of alkaline earths, primarily calcium and magnesium. Total hardness is measured as the sum of all calcium and magnesium ions. Read More »

ชุดทดสอบเหล็ก,ความกระด้างในน้ำ (Fe: 0-5 mg/L) (Total Hardness:40-500 mg/L)

HI 3889 Iron and Total Hardness Test Kit Product Description: Iron is naturally present in water in low concentrations, but it reaches high concentrations in wastewater effluents. The iron concentration in water needs to be monitored because it becomes harmful above certain levels. In domestic water, for instance, iron can unpleasantly alter the taste, stain laundry, damage kitchenware and favor ... Read More »

ชุดทดสอบความกระด้างทั้งหมดในน้ำ (1 drop = 1.25 °e )

114652  Total Hardness Test in freshwater    The test measures the content of salts of the alkaline earth metals calcium, magnesium, strontium and barium in freshwater. For the determination the titrant is added dropwise to the sample until the added indicator changes its colour. Read More »

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