Methods of sampling and test for sodium and potassium silicates for industrial use - limit test for sulphate content of sodium metasilicate 工业用硅酸钠和硅酸钾取样和试验方法.第12部分:偏硅酸钠中硫酸盐限量试验
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Methods of sampling and test for sodium and potassium silicates for industrial use - determination of chloride content of sodium metasilicate 工业用硅酸钠和硅酸钾取样和试验方法.第11部分:偏硅酸钠中氯化物含量测定
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This article introduces the pilot experiment of producing pentahydrate sodium metasilicate by water glass with the method of crystal in solution 摘要介绍了以水玻璃为原料，利用溶液结晶法生产五水偏硅酸钠的放大试验。
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The most widely used ones are caustic soda , silicates ( especially sodium metasilicate , which is a very powerful emulsifier ) , trisodium phosphate ( the well - known tsp ) , sodium polyphosphates and sodium bicarbonate 使用最广的有氢氧化钠、硅酸盐（特别是偏硅酸钠，是一种强有力的乳化剂） 、磷酸三钠（著名的tsp ） 、多磷酸钠及碳酸氢钠。
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It is mainly involved in the research , development and manufacture of sodium silicates . currently it produces annually 10 , 000 - 12 , 000 tons of sodium metasilicate , 8 , 000 tons of sodium silicates and certain amount of customized products 多万元，是一家集科研、开发、生产于一体的综合性企业，硅酸钠系列产品具有悠久的生产历史和较大的生产规模，目前年产偏硅酸钠
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Sodium metasilicate has strong alkalinity and good buffering capacity . it can neutralize acidic dirt , emulsify grease and oil , and provide corrosion proofing to metals . it is a basic material for the detergent industry , widely used in domesticindustrial detergent , food cleaner , metal cleaner , washing carbonated drink bottles , printing aid for textile , deinking recycled paper , etc 偏硅酸钠具有强碱性，去污力强，缓冲能力大，可中和酸性污物，使脂肪和油类乳化，对无机物有反絮凝作用，对金属有防腐蚀作用，是洗涤业不可替代的原料，广泛应用于家庭洗衣粉、工业洗涤剂、食品清洗剂、金属清洗剂、酒瓶清洗剂、除油纺织印染助剂及纸张脱墨剂等。
