aIn order to make hard water with a total hardness equivalent to 1000 ppm, 0.01 M CaCl2 and 0.02 M NaHCO3 were mixed and dissolved in tap water. 为了做硬水以总坚硬相当于1000 ppm, 0.01 M氯化钙和0.02 M NaHCO3是混杂和溶化在自来水。 [translate] ...
Total Hardness/alkalinity analyzer Range 0.20-500ppm CaCO3 Accuracy ± 5% of the upper limit value of the selected reagent Repeatability ± 5% of the upper limit value of the selected reagent Analysis cycle continuous /interval measurement (5-30 minutes)/external start signal Flushing time 5-1800...
a12.Features that must be in the warming water which is used in the radiators; Ph:min: 9,5 max:11,5 , total hardness: max 30 ppm. CaCo3,oxygen:0(zero),these must be. In the improper feature, usage of warming water is out of warranty cover. [translate] ...
W-hardness 类型 水试纸 条带尺寸 5mm * 5mm 包装印刷 自定义 包装 OEM/中性/品牌 规格 100条/桶 试验项目 水硬度试纸 结果时间 60s 功能 水测试 最小起订量 100 应用程序 水和其他液体 包装和发货信息 销售单位: 单一商品 单品包装尺寸: 280X350X320 厘米 ...
Hardness Shore A after 28 days at room 19 16 temperature (DIN ISO 7619) Resistance to shearing (application of 0.49 0.43 the mastic on a wooden substrate) EN 281 after 3 days (in N/mm2) (DIN EN 14293) Modulus of elasticity at 100% (2 mm 0.30 0.26 film) after 28 days at room tem...
测量点90, 180, 270, 360, 450 ppm 试剂台Strips 测试/套件100 描述Total Hardness Test Strips, 90 to 450 ppm 主要特点 Convenient, on-site water testing 关于该商品的更多信息 These new water test strips are perfect for field testing, process control, and analytical and research applications. Strip...
TBG-2088S china turbidity meter digital sensor hardness water high precision turbidity industrial turbidity analyzer $280.00 - $500.00 Min. order: 5 pieces Industrial Online MLSS probe RS485 Total Suspended Sludge Sensor RS485 Modbus TSS Sensor for WTP $1,120.00 - $1,252.00 Min. order: 5 piece...
of the first compression and the beginning of the second compression; cohesiveness (dimensionless), as the ratio of the positive force area during the second compression to that during the first compression; and chewiness (N mm), as the product of hardness times, cohesiveness times and ...
测量点0 to 425 ppm 试剂台Strips 测试/套件50 描述Water Quality Test Strips, total hardness, 0 to 425 ppm, 50/bottle 主要特点 测试条的颜色明亮,方便您读出结果。 关于该商品的更多信息 这些经济型水质测试条可以用于测试自来水,湖水,溪水,雨水,或者处理过的水。